PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

Inboard Marine Engine Exhaust Parts

Inboard Boat Exhaust Parts

Does your boat need replacement parts? At My Inboard Marine, we carry a wide range of inboard boat exhaust parts perfect for fixing or replacing worn out components within the exhaust system. At My Inboard Marine, we carry original equipment. We have everything from nuts and bolts to screws and mufflers from brand names including PCM, Indmar, Mercury, and Mercruiser. Whatever you need, we’ve got it in stock. Keep your boat running efficiently and pulling strong with our specialty marine equipment.

Allow yourself to avoid the headache of running from store to store looking for the right part. Instead, shop through our easy to navigate online store to find the right item for you boat. Browse our store and grab your inboard boat exhaust items from us today.

Scroll down for all Exhaust Related Items

Indmar Complete Re-Plumb Kit 5.7L EXT Catalyzed Engines Original Indmar | MIM-495180
28%
$395.00 $544.95
OEM Indmar Complete Full RE-PLUMB CONVERSION KIT FOR 5.7 EXT CAT This kit changes the water flow through the 5.7L ETX CAT exhaust manifolds (re-routes...
Manifold Exhaust Kit Manifold Tube N Tube Complete Set OEM Indmar 493402
7%
$3,650.00 $3,935.36
Indmar 6.0L Manifold Kit with Clamps & Gasket OEM 49-3402 PORT and STARBOARD With All Hardware USE AS REPLACEMENT FOR CLAMSHELL MANIFOLDS TUBE IN TUBE...
Winged Drain Plug & O-Ring For Tee Exhaust Drain Hose Kit Indmar 60-5176 Winged Drain Plug & O-Ring For Tee Exhaust Drain Hose Kit Indmar 60-5176
34%
$8.50 $12.95
Winged Drain Plug for Exhaust Drain Hose OEM Indmar 605176 For Complete Hose Kit with Drain Plug & Tee - CLICK HERE For Plastic Tee...
Gasket Manifold 2 Pack Exhaust All GM Small Block Non-Catalyzed SIERRA-18-2902-1-9
9%
$30.00 $32.99
Manifold Exhaust Gasket SET OF 2 - All years - Barr Original Indmar 2 PACK - NEED TWO PER ENGINE! NON-CAT ENGINES ONLY! This gasket...
Gasket Exhaust Manifold To Corner Crossover OEM RM0304
9%
$13.03 $14.32
GASKET MANIFOLD TO HEAD 5.3l - 6.2l Gasket Exhaust Manifold 5.3 L & 6.2 L - H6 OEM RM0304
Salisbury 4 Inch Flapper with Hose Clamp Corsa® Marine 10840
18%
$38.00 $46.52
Replacement CORSA branded Salisbury style exterior flapper. Salisbury 4 in. Flapper with Hose Clamp Replaces Corsa Performance 10072 Sold individually - Sold Each
Riser 3" Exhaust Riser BARR Marine Chevy - Ford BARR 20-0082
10%
$332.00 $369.00
Water cooled center rise exhaust elbow for Barr generic center rise manifolds. Barr 3 in. generic exhaust riser Fits Barr CHV-1-83, CHVA-1-84, and FM-1- 83...
Riser 4" Exhaust Riser BARR Marine 20-0100
9%
$340.00 $375.00
Water cooled center rise exhaust elbow for Barr generic center rise manifolds. Barr 4 in. generic exhaust riser Fits Barr CHV-1-83, CHVA-1-84, and FM-1- 83...
Bolt Riser Bolt OEM Allen Head Bolts 3/8"-16 X 1.25" OEM 565255Q
41%
$1.24 $2.09
Allen Head Riser Bolts From Indmar 3/8"-16 socket cap head screw that is 1-1/4 inches long. Allen Head bolts from Indmar SOLD Each! Order 4...
GASKET SET INTAKE MANIFOLD GASKET SET - 1996 AND UP GM SMALL BLOCK  305-350 Gasket Set Intake Manifold Gasket Set - 8.1 L
5%
$115.20 $121.32
8.1 Liter - INTAKE MANIFOLD GASKET SET - OEM intake gasket set fits 496 cu. in. marine engines. Marine grade intake gasket set. KIT INCLUDES...
BOLT SHOULDER BOLT STAINLESS FOR GM BIG BLOCK MANIFOLDS  OEM CRUSADER R009206
24%
$2.85 $3.75
Stainless Steel Crusader Marine R009206 Shouldered Bolt SOLD EACH Exhaust Manifold bolt fits big block GM (Chevy) 7.4-Liter (454 cu.in.) and 8.2-Liter (502 cu.in.) engines.Shouldered...
Ultra Marine - Muffler Supra-Moomba BOOMERANG! Part Number: 100270
22%
$417.60 $538.50
Ultra Marine - Muffler Supra-Moomba BOOMERANG! Part Number: 100270 Muffler Number: 100270 Supra-Moomba Boomerang UM-100270 Angled 60 Degree 3" Inlet With 3" Straight Outlet 3" in...
GASKET MANIFOLD TO HEAD - BIG BLOCK OEM# PCM-96653
4%
$20.00 $20.86
GASKET MANIFOLD TO HEAD BIG BLOCK Gasket seals between exhaust manifold and cylinder head on big block marine engines Gasket seals between exhaust manifold and...
Manifold Exhaust Big Block Center Rise PCM OEM R028010
2%
Sold Out
PCM Big Block Manifold -  NOTE PLEASE: This manifold is no longer available. Please click the link below for a good conversion kit: CLICK HERE FOR CONVERSION...
Drain EZ For Elbow Drain Replaces Bottom Drain Plug On PCM 302 & 351 Circulation Pump Elbow Drain EZ For Elbow Drain Replaces Bottom Drain Plug On PCM 302 & 351 Circulation Pump Elbow
31%
$89.05 $129.99
DRAIN EZ FOR REPLACING THE BOTTOM DRAIN PLUG ON PCM 302 & 351 CIRCULATION PUMP ELBOW Excellent way to upgrade the way you drain you engine...
Stud For Manifold 6.0L - 5.7L OEM R031035
11%
$7.47 $8.40
Manifold stud to cylinder head, 6 per side 6.0L & 5.7L 12 REQUIRED
Gasket Manifold Exhaust 6.0L - ZR CAT CES Engines 2008 & Up PCM RM0276A
23%
$9.38 $12.20
Manifold Gasket - EXHAUST 6.0L CES Engines RM0276A - CAT ENGINES Paper gasket: For engines with CES Catalyst exhaust
Elbow Exhaust 6.0L ZR6-ZR409-ZR450 2003 & Up PCM R029016
18%
$299.00 $365.55
OEM Pleasurecraft Marine Exhaust Elbow- R029016A 6.0L Exhaust Elbow PCM exhaust riser for the 6.0L ZR engines ZR6, ZR409 & ZR450 For the manifold, order Part#...
Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84 Manifold Exhaust With Mounting Kit Big Block GM CHVA-1-84
24%
$480.00 $629.00
Center Riser Manifold for big Block GM Engines Sold Each. 1 per side. Includes Mounting Kit: Manifold Gasket Riser Gasket Plugs Mounting Bolts Water cooled...
Muffler Supra Moomba Skiers Choice 0437 - 3.5" In/Out Inline Approx 15" Overall Length OEM 101422
11%
$398.32 $450.07
MUFFLER SUPRA MOOMBA SKIERS CHOICE 0437 3.5" inlet and 3.5" outlet inline Approx 15" overall length OEM 101422 Shipping Dimensions: 8x8x17 Manufactured by Ultra Marine....
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