Since you clicked on the Dolphins, I guess I will tell you a little bit about myself.
Better click the back button fast because this has nothing to do with work.

Born and raised on (and in) Mobile Bay-(pronounced Moe-Bill dagnabit!)
I joined the Navy when I was 17, yes-straight out of high school.Why you might ask…….none of your business
-just kidding
Did not have any money to go to college and I partied too much in high school to get a scholarship, there-you happy!!!
Why did you choose the Navy-(boy do I hate nosey people…)
I went to the four branches (sorry USCG) and researched their hardest programs-mental programs-I am no SEAL…
Newsweek rated the Naval Nuclear Power program as the hardest collegiate program in the US,
(Higher than MIT-a fact that makes me very proud.), with a strict entrance process and a 75% attrition rate, I knew it was for me.
After learning how to glow in the dark I volunteered for Submarine Service.

that makes me a Sub-Mariner not a Sub-Marine-er
I was lucky enough to be chosen for the best Sub in the Navy-no joke.
A fast attack spec op (special operations) boat out of Hawaii, we consistently scored excellent on our ORSE exams (rare to say the least) and consistently received the Battle E.
“We were the S#!&” to put it in nautical terms.
Been through every longitude and 3/4 of the latitude, we got around.
I had the pleasure of working with numerous specialized groups and the best of the best.
If you are one of them-it was my extreme honor to work beside you.

Very family oriented, so after the Navy I went back home.
I have two sisters, of whom I am very proud and have the utmost respect.
One is a CPA who has her own firm, Karen C. Simmons, PC and the other who owned her own business, which she ran with such diligence and pride that it astounded me.She recently sold the business so she could teach at her kids private school. They both amaze me. Not bad for three kids who grew up dirt poor on the Parkway.

Immediately upon my honorable discharge I started at the University of South Alabama, a very underrated college.
Three years later I received my BS in Mechanical Engineering. (yeap, three years 🙂 )
I was inducted into Pi Tau Sigma (an engineering honor society-must be top 3%) and missed graduating with honors by a very very small fraction (thank you very much Dr. Zheng!!!-can’t follow my work my arse-I was always the first one to be done and the answers on both finals were 100% correct…. ohhhhhh….uuuhhhgggg… the agony.. haunts me to this day)
I wanted to get a tri-major in Physics and Math but the Dean of Engineering would not let me get co-majors while getting my BSME, Department policy :(.I was set to go for my Masters/Doctorate in Engineering, however, that was side tracked when I met my wife.
Who would Marry me- YOU GO TOO FAR!!!
Who-The most beautiful and talented woman I have ever met (wife’s addendum- “or will ever meet”).
She was the lead singer for a regional rock group (she plays piano, horn, guitar etc…which fills the house)and I instantly fell in love the first time I met her and I’m smitten to this day (even though she is more than a little crazy).
-I know-kissy kissy goo goo – get ready-here comes more
her inner joy for life, her spirit have taught me more than I will ever admit. She unwittingly guides my life, my character and gives me true meaning.

ok, back to being a man–
Fate being a kind friend, while I was still in school, I was sought out by Marine Exhaust Systems of Alabama and I could not ask for a better job… BUT DON’T STOP ASKING.
I was starting my senior year when I started receiving calls with job offers.
I interviewed at Marine Exhaust and knew it was destined to be. Felt right.

Challenging, engaging, and believe me-none stop, day and night. Every facet of every job I think.
Sales-which I never thought I’d do and better yet, never thought I’d be good at…(People really appreciate my frank honesty-I won’t and don’t Bull$#!*), Design-which I truly love, Marketing, Advertising, Purchasing, Quality Control, Research, Technical Support, Network Administrator (I put our network together-fun stuff)and much more (not to mention the fun I get to have building and maintaining this web site)
Every day is worthwhiled and exciting
The OJT given to me freely (and daily) by our superior machinist, welders and fittershave become invaluable. If you have talked to me on the phone, you know how I brag on the superiority of our craftsmen.
Shortly after meeting my wife and landing the perfect job, not shotgun short but there was no time wasted if you know what I mean-and I think you do, we had our first daughter.
The second joy of my life-(1st joy being my wife, Family First always)-and she is just like her mother. Brilliant and Beautiful, she scored Post High School on on her second, fifth and sixth grade SAT’s!!! and now in 7th grade she has scored high enough on the ACT to actually get into college 🙂
A couple of years after our first daughter was born, we had our second girl, another miracle and yes-still just like her mother–thank God. And yes she scored post high school on her second and fifth grade SAT’s as well!!!
I love them soooo much!! They have sooo much of their mother in them-how could I not, and both are way smarter than I will ever be…

Somewhere in between our two kids we found the perfect dog, and I do mean perfect. A gift from God, true member of the family.

Heaven just got a little brighter…She passed April 2009-may she rest in peace.

Now, My wife finished her Masters in Speech Pathology at South with honors and started her new career, so very proud.
All through grad school, she did not make anything below an A!!! and moving forward I truly feel she has found her calling 🙂
Me, I am now the owner of Marine Exhaust 🙂 and I have plans to get my PE License some time in the distant future-this may be impossible as I have no PE to work under…) and I plan to go back to college for my MBA, CWI and masters when my wife lets me. (Maybe get Marine Exhaust to pay for it…JUST KIDDING… wink wink)

Well-that’s me or atleast my perception of me. I love my family and my job, life is good.
and now to play with some more PHP :)]]>

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We retail Turbos from various vendors, please provide all the information you can and we will do our best to source your part.
If your turbocharger requires rebuilding, we can help with that as well.
Some Common Models and information
3LM-3LD, 4LE-4LF,4MD-4HD, S1-S4, S1B-S4B, 4LHR, HT3B, KKK, H1C, HX30, HX35, HX40, HT60, H1E, WH1E, T3, T4,T04B, T04E, TA, TV, GT, GTP38,T30, T12, T18, HT3B, TMF, UTL, UTV

Model—————GM Part #
GM1, GM2, GM3——-10226226

3018067————-T46-NTC290 (Cummins)
3018068————-T46-NTC855 (Cummins)
3026924————-T46-NTC855 (Cummins)
3027704————-T46-VT1710 (Cummins)
3032060————-ST50-NT855 (Cummins)
3032062————-ST50-NTCC400/VTCC1710 (Cummins)
3523850————-HC5A-KTA19 (Cummins)
3524450————-HC5A-KTA38 (Cummins)
3524451————-HC5A-KTA38 (Cummins)
3525504————-HC5A-KTA19 (Cummins)
3523393————-HC5A-KTA50 (Cummins)
114400-1544———EX300-1 Excavator (Komatsu)
114400-2100———EX200-1 Excavator (Komatsu)
114400-2720———EX200-2 Excavator (Komatsu)
114400-3140———EX300-3 Excavator (Komatsu)
114400-3340———EX300-3C Excavator (Komatsu)
6151-83-8110——–PC400 Excavator (Komatsu)
6152-81-8110——–PC300 Excavator (Komatsu)
6207-81-8210——–PC200-3-5 Excavator (Komatsu)
6207-81-8331——–PC200-6 Excavator (Komatsu)
6209-81-8310——–PC220-6 Excavator (Komatsu)
43178-00530———4D31 Excavator (Mitsubishi)
49179-00110———TD06-17A Excavator (Mitsubishi)
49179-00451———E200B Excavator (Mitsubishi)
49179-02119———S6D31(TD06-17C) Excavator (Mitsubishi)
3522777————-Turbocharger 6BT H1C
3522778————-Turbocharger 6BT
3523393————-Turbocharger KTA50, HC5A
3524442————-Turbocharger, HC5A
3528789————-Turbocharger, H1E
3528793————-Turbocharger, H1E
3802289————-Turbocharger 6BT
3919153————-Turbocharger 6BT SY
4029017————-Turbocharger, WH1E
5104478————-Turbocharger 6V53T = 2990-01-151-2684 (Garret Box)
6137-81-8102——–Turbocharger, S6D105 W90-3 = 465044-0226
6137-82-8200——–Turbocharger, S6D105 PC200-3 = 465044-0261
6137-82-8600——–Turbocharger, S6D105 PC200-3 = 465044-0262
6138-82-8200——–Turbocharger, SA6D110 WA400-1/WA350-1 = 465044-0255
6138-82-8201——–Turbocharger, SA6D110 WA400-1 = 465044-0255
6150-81-8300——–Turbocharger, S6D125 D65-3 = 466152-0004
6151-81-8400——–Turbocharger, S6D125 PC300 = 466702-0001
6151-83-8210——–Turbocharger, S6D125 PC400 = 465105-0003
6152-81-8110——–Turbocharger, S6D125 PC300 = 465105-0001
6152-81-8110——–Turbocharger PC300
6152-81-8200——–Turbocharger, S6D125 HD250/HD250-3/WT250 = 465152-0001
6152-81-8210——–Turbocharger, S6D125 PC400 = 465105-0003
6152-81-8300——–Turbocharger, S6D125 WA450-1/GD705 /D60S/D75S= 466152-0002
6152-81-8310——–Turbocharger, S6D125 WA450/D75 465105-0002
6152-81-8400——–Turbocharger, PO96 FD400 466152-0003
6152-82-8500——–Turbocharger, PO96 FD400 466152-0005
6502-12-9004——–Turbocharger D355
6505-51-5190——–Turbocharger KT110 G44B
6505-52-5350——–Turbocharger KT1110 G44A
6711-81-9100——–Turbocharger D85-18
6711-81-9201——–Turbocharger D85-18

190227—————Turbine Housings T46 (Cummins)
202503—————Turbine Housings T46/ST50 (Cummins)
204244—————Turbine Housings T46/ST50 (Cummins)
3521174————–Turbine Housings HC5A (Cummins)
3522911————–Turbine Housings HC5A (Cummins)
3522914————–Turbine Housings HC5A (Cummins)
3524065————–Turbine Housings HC5A (Cummins)
3025390————–Turbo Wheel w/Shaft T46/ST50 (Cummins)
3521033————–Turbo Wheel w/Shaft HC5A (Cummins)
3521034————–Turbo Wheel w/Shaft HC5A (Cummins)
3018063————–Compressor Housing T46 (Cummins)
3018064————–Compressor Housing T46 (Cummins)
3027305————–Compressor Housing ST50 (Cummins)
3027306————–Compressor Housing ST50 (Cummins)
3523423————–Compressor Housing HC5A (Cummins)
3524861————–Compressor Housing HC5A (Cummins)
3525546————–Compressor Housing HC5A (Cummins)
3002731————–Compressor Impeller ST50 (Cummins)
3007755————–Compressor Impeller T46 (Cummins)
3011262————–Compressor Impeller ST50 (Cummins)
3012993————–Compressor Impeller T46 (Cummins)
3521918————–Compressor Impeller HC5A (Cummins)
3523420————–Compressor Impeller HC5A (Cummins)
3523553————–Compressor Impeller HC5A (Cummins)
3038745————–Bearing Housing T46/ST50 (Cummins)
3520933————–Bearing Housing HC5A (Cummins)
3524421————–Diffuser HC5A (Cummins)
3524862————–Diffuser HC5A (Cummins)
216804 ————–Support Oil Seal T46/ST50 (Cummins)
3545647————–Turbocharger Repair Kit = 3801169 HC5A
3801096————–Kit, Turbocharger, T-46, ST-50
3803042————–Kit, Turbocharger, T-46, ST-50
3803257————–Turbocharger Repair Kit = 3801169= 3546647 HC5A
3911941————–Gasket, Turbocharger
3926842————–Connection, Turbocharger
3942725————–Gasket, Turbo
6502-13-2003———Rotor, Turbo S6D155

2674398 = 465778-18 Garrett Perkins 4.236
409940-90007 T09B39 Air Research Garrett John Deere
409-250-5002 Garrett
2674A093 Garrett Perkins
2674A326 452301-1 Garrett Perkins
2674A024 3523299 Holset Perkins 6.354.4
2674374 4657785 Garrett Perkins
2674222 21I85-25 Schwitzer Perkins
2674237 181819 Schwitzer Perkins
4667469001 Garrett BSD268T
2674A024 3523299 Holset Perkins
104039-9000 T04B Garrett Perkins
2674A126 312174 Schwitzer
4176324KZ 31H9400097 Schwitzer Perkins
D4232252 Schwitzer
317960 Schwitzer
2674218 50908 Holset
2674A153 4668540001 Schwitzer
3537562 Holset
2674A093 452191-1 Garrett
4176324 Schwitzer
2674218 50908/14
2674222 53894/4

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Marine Exhaust Systems of Alabama, Inc. Directioins

Marine Exhaust Systems of Alabama, Inc.757 Nichols Ave.
Fairhope, AL 36532

Directions are pretty easy.
If coming from West of Mobile, take I-10 until you cross the bay way(thru the tunnel and across the bay), take a right at the Fairhope/DaphneExit.
If coming from East of Mobile on I-10, take exit 35 and head east (you’llactually be heading south) on Hwy 98.
Drive for approximately 15 minutes. Stay straight! Once you pass Thomas Hospital take a right at the next light, Nichols Ave.
We are the fourth or fifth business on the right, the next buildingpass the Flower Shop.
If coming from Foley/Gulf Shores area, take Hwy 98 up until you passBurger King. Second Light is Nichols Ave, take a left.
We are the fourth of fifth business on the right, the next buildingpass the Flower Shop restaurant.
If you have any questions, please call 1-251-928-1234ask for Mark or
e-mail me.

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BEAIRD Maxim Silencers


Quick Reference Guide In simple terms, silencing is the act of reducing noise to an acceptable level for the location or working conditions surrounding the noise producing equipment. These silencers readily solve the noise problems of many applications. Comparison of the typical attenuation curves for individual silencer models will show the relative capabilities of different designs.Silencer Sizing Sheet Introductory information that is needed to properly size a silencer to meet your needs.  Sizing data requested is minimum required to size a silencer. Other pertinent data such as connection sizes, degree of silencing desired, support arrangements, material of construction, installation arrangement, etc. are helpful in determining the best silencer application.Installation and Operating Instructions Basic installation and operating instructions for silencers.  Detailing the correct exhaust pipe length as well as support methods for the different models of silencers.Accessories Accessories available as modifications to stock silencers include flexible connectors, companion flanges, mounting brackets, cleanouts and spark boxes.Specification Sheets Complete specifications for the entire Maxim line.  Each model is detailed and described.Cross Reference Cross Reference Chart
If you already know what you need, please click our handy Quick Order Form
or if you need more information on a part number, please click our Quick Inquiry Form
(Both forms will generate an e-mail)
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Please e-mail Mark Coulson or call 1-251-928-1234.


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Maxim Silencers, Inc. – Accessories




Accessories available as modifications to stock silencers include flexible connectors, companion flanges, mounting brackets, cleanouts and spark boxes.


Flexible Connectors

Bellows Type Interlock Type Nipples 1 1/2″ to 3 1/2″ Flanges 4″ and UP


850 Deg F. Max Temp. Carbon Steel Over 850 Deg F. Stainless SteelID Size Length Overall Steel Bellows Steel Interlock SS Bellows SS Interlock1 1/2″ 24″ Yes Yes Yes Yes2″ 24″ Yes Yes Yes Yes2 1/2″ 24″ Yes Yes Yes Yes3″ 24″ Yes Yes Yes Yes3 1/2″ 24″ Yes No Yes No4″ 24″ Yes Yes Yes Yes5″ 24″ Yes Yes Yes Yes6″ 24″ Yes Yes Yes Yes8″ 24″ Yes No Yes No10″ 24″ Yes No Yes No12″ 24″ Yes No Yes NoThose not shown and other sizes available on special quote.  Sizes 1 1/2″ through 3 1/2″ furnished with carbon steel male thread pipe nipples.  Sizes 4″ through 12″ furnished with 125 ASA flat face flanges of carbon steel.

Companion Flanges

Size (IPS) O.D. B.C. HolesNO. Dia.4 9 7 1/2 8 3/45 10 8 1/2 8 7/86 11 9 1/2 8 7/88 13 1/2 11 3/4 8 7/810 16 14 1/4 12 112 19 17 12 114 21 18 3/4 12 1 1/816 23 1/2 21 1/4 16 1 1/818 25 22 3/4 16 1 1/420 27 1/2 25 20 1 1/422 29 1/2 27 1/4 20 1 3/824 32 29 1/2 20 1 3/826 34 1/4 31 3/4 24 1 3/828 36 1/2 34 28 1 3/830 38 3/4 36 28 1 3/8Companion flanges are available as either weld-on or screw-on type.  All gaskets, bolts and nuts are furnished.  Flange drilling to 125# ASA standard.  Weld type flange slips on standard pipe for welding.  Screw-on type is threaded to fit standard NPT.

Screw-on flanges available in 4″ through 12″ only.  Weld-on type available in all sizes.

Mounting Brackets and Supports

Type E
Four Brackets

Type F
Two Saddle Supports

Type D
Leg Supports
Type A
Trunion Supports
Type B
Four Brackets

Clean Outs

Spark Boxes

(Clean Out) Dimensions in Inches

Size 2A 5A 7AA 7 1/2 9 1/2 16B 4 1/2 6 1/2 9

Engineering Data


Air Compressor Intake – Vacuum Pump Discharge

Max. Cu. Ft. Of Free Air Per Min. Size of Silencers20 1″30 1 1/4″50 1 1/2″85 2″130 2 1/2″185 3″255 3 1/2″350 4″550 5″775 6″

Max. Cu. Ft. Of Free Air Per Min.

Size of Silencers

1390 8″2180 10″3160 12″4280 14″5610 16″7000 18″8700 20″10500 22″12500 24″    Exterior surfaces protected by a high temperature corrosion resistant coating.

Optional finishes are available.

Popular special paint option is Inorganic Zinc Paint applied over sandblasted surface.  Other customer requirements may be supplied upon request.

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Maxim Silencers, Inc. – Operating Instructions



Installation & Operating Instructions

Exhaust Pipe Length

To prevent unsatisfactory performance due to piping resonance or shock waves that can develop in the piping between the engine and the silencer, it is recommended that the silencer be installed as close as possible to the engine. The exhaust pipe length between engine and silencer should not exceed fifteen times the silencer size. For example, a 6” silencer should be installed within seven and one-half feet (90”) of the engine. If the above recommendation can not be followed, the customer should discuss the installation with Maxim.


Exhaust System Expansion Joints

For most exhaust systems designs, it is necessary that an expansion joint be installed between the engine and the silencer. This will allow thermal expansion as well as reduce the amount of engine vibration transmitted to the silencer. If a short exhaust system with no expansion joint is desired and the silencer is to be supported directly on the engine flange, the silencer inlet should be provided with gussets.


Flow Arrow

It is imperative that the exhaust gas flow in the correct direction. All silencers are equipped with nameplates that show the correct flow direction.


Spark Arrestor Orientation

On spark arrestor silencers, the silencer body is equipped with a box on the side that acts as spark trap. If the silencer is mounted horizontally, the spark trap should be on the underside. If the silencer is mounted vertically, the orientation of the spark trap is discretionary. The purpose of the couplings on the spark trap is to provide access for cleaning purposes.


Support Methods

The silencer may be supported by the inlet and outlet flanges, provided the piping on both ends of the silencer is equipped with lateral supports or guides to prevent large bending moments from being transmitted to the silencer flanges. The following flange loadings are the maximum permissible for most installations. Do not load beyond these limits: Axial (in a direction parallel to the nozzle axis): A force equal to the silencer weight. Shear (in a direction perpendicular to the nozzle axis): A for equal to the silencer weight. Bending Moment: The silencer weight multiplied by the silencer size. For example, a 12” M-51 which weighs 1,295 lbs. can withstand the following nozzle loads: axial: 1,295 lbs., shear: 1,295 lbs., bending moment: 15,540 inch-lbs. Contact Maxim for additional loading information.


For those installations where the silencer is to be supported by the inlet only, the user should install four stiffener gussets on the inlet nozzle. These gussets should be welded to the flange, the nozzle and to the silencer end head. A special silencer with factory installed gussets may be ordered if desired. Likewise, if the silencer outlet is to support a long tailpipe with no lateral support, the outlet nozzle of the silencer should have gussets. A tailpipe of maximum length equal to six times the silencer size may be supported free standing without gussets. For example, a 12” silencer without gussets can support a 72” long free standing tailpipe.


For horizontal silencer installations, the silencer may be supported by factory installed saddles or bracket supports. However, the user may choose to support the silencer with two body bands, which are attached to overhead hanger rods. For vertical silencer installations, the silencer may be supported by factory installed legs, trunnions, or bracket supports.


Silencer Common to More than One Engine

It is recommended that a silencer never be connected to more than one engine at a time.


Water in the Exhaust System

Design of the exhaust system must be such that water is not allowed to flow back into the engine. Silencers are not specifically designed to prevent the flow of water back into the engine. With some configurations, the silencer body may become a water trap and for this reason, drain couplings are provided on some models. However, the presence of a drain coupling does not mean that the silencer will prevent water from flowing back into the engine.


Insulation of Silencer Body: Caution!

A typical engine exhaust system has gas temperatures between 500°F and 1,200° F. A typical uninsulated silencer will have an outside skin temperature between 400° F and 900° F. An approximate value for the amount of heat transmitted through the silencer walls is 2.0 BTU per hour per square foot of surface area per °F difference between the gas temperature and the outside air temperature. In view of the above considerations, the user often elects to insulate the silencer body to either reduce the external skin temperature or to reduce the amount of heat transmittal. However, insulating the silencer body will mean that the silencer shell temperature will be almost as hot as the gas temperature. Since carbon steel scales and deteriorates very rapidly when its temperature exceeds 1,000° F, the user must be aware of the possible consequences of insulating a silencer that operates with gas temperatures above 1,000° F. Stainless steel construction is advised under these circumstances. If burn protection of personnel is the main reason for insulating, the user should use an expanded metal safety shield rather than insulation.


Pressure Testing

Unless specified in the customers purchase requirements, a silencer is not pressure tested. If it is mandatory that absolutely no leakage is to be permitted, the silencer should be purchased with specifications requiring pressure testing at the factory.

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