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

2008-2012 Muffler Mastercraft Angled 3-1/2" Offset Inlet At 20° Angle Vertical 280-MCX 252002
34%
$449.00 $676.49
Mastercraft Muffler Silent Master for MCX 2008 - 2012 Part# 252002 20 ° Angled 3-1/2" Offset Inlet Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine...
Muffler Interchangeable Straight 3 Inch O.D. Inlet & 3 Inch O.D. Straight Outlet 41 Inches Long OEM UM-288-3000
38%
$259.00 $415.99
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3000 Straight 3" Inlet With 3" Straight Outlet 41" Tip to Tip 35" Barrel Length The O.D. of the...
Knock Sensor GT 40 1995 Up PCM Ford GT40 Multi Port EFI PCM R020022
20%
$71.27 $89.29
Knock Sensor, PCM GT 40 1995 & up MPFI PCM OEM Item Replaces OMC/Johnson/Evinrude 3853956 Replaces Volvo Penta 3857030
Manifold Exhaust For GM Small Block 305 - 350 All 5.7L Engines Manifold Only Indmar OEM 53-1051 Manifold Exhaust For GM Small Block 305 - 350 All 5.7L Engines Manifold Only Indmar OEM 53-1051
30%
$435.00 $625.00
Original Equipment Indmar Exhaust Manifold 53-1051 Manifold ONLY - Fits Port & Starboard - Same Part Number. GM V8 Small Block Exhaust Manifold Fits Indmar GM...
454 Exhaust Manifold Kit Replaces The NLA PCM R028010
5%
$874.00 $919.50
NOTE - PCM no longer sells the R028010 Manifold for the 454 engine. In order to convert, you have to use Barr CHVA-1-84 and 20-0082 and...
Gasket Exhaust Riser To Manifold - Replaces RM0009 Sierra 18-0676-1
35%
Sold Out
GASKET EXHAUST RISER TO MANIFOLD Exhaust Elbow Gasket  Exhaust Elbow Gasket for Pleasurecraft Inboards Replaces OEM# PCM-RM0099 NO LONGER AVAILABLE IN SIERRA® PLEASE SEE OEM...
Gasket Manifold Exhaust All GM Small Block Exhaust Manifold to Head Gasket 18-2902-1
6%
$17.89 $18.99
Gasket seals exhaust manifold to cylinder head on GM V8 small block marine engines. Exhaust manifold gasket For GM V8 283, 305, 307, 327, 350,...
Gasket Manifold Exhaust To Head - All GM Big Block Indmar CHVA-47-0000
26%
$16.95 $22.79
Manifold Exhaust Gasket - GM Big Block - Barr Original Indmar SOLD PER SIDE - NEED TWO PER ENGINE! Replaces Mercruiser 27-46820 Replaces Volvo Penta 3852472 Replaces...
Muffler Interchangeable Angled 3 Inch O.D. 60° Inlet With 3 Inch O.D. Straight Outlet 46 Inches Long Custom Built OEM UM-288-3001-46
32%
$329.00 $486.95
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3001-46 - CUSTOM SIZE 60 Degree Angled 3" Inlet With 3" Straight Outlet 46" Tip to Tip - NOTE...
Manifold Exhaust Mounting Kit 302 - 351 PCM Engines Sierra Kit 18-8503
9%
$31.78 $34.99
Sierra Kit includes exhaust manifold to head gasket & mounting bolts for Pleasurecraft Marine Ford small block marine engines. SOLD EACH SIDE - SOLD EACH PCM...
Outlet Exhaust 3-1/2" Straight Flange Exhaust <b>No Baffle-Muffler</b> Outlet Stainless Steel No Flapper Needed
20%
$199.00 $249.00
45° Straight Cut Pipe Exhaust Outlet With Straight Flange 3-1/2" NO BAFFLE! SOLD EACH! 3-1/2" 304 Stainless Steel Straight Thru Hull - NO INTERNAL BAFFLE...
Exhaust Service Installation Kit PCM GM 5.0 - 5.7 Both Sides Complete Set PCM RP173091
17%
$110.43 $133.05
OEM Pleasurecraft Marine EXHAUST SERVICE INSTALLATION KIT PCM GM 5.0 - 5.7 BOTH SIDES COMPLETE SET PCM RP173091 Includes Manifold Gaskets, Riser Gaskets, All Bolts,...
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5" Inlet/Outlet- Vertical Port 214V/MX/XS/ex.35 use W/RTP/MCX/LY6 OEM 252062
29%
$599.00 $849.33
MUFFLER MASTERCRAFT LATE 2009 - 2011 3.5" inlet/outlet Vertical Port 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252062 MUFFLER-3.5" VERT. PORT LATE '09-'11 214V/MS/XS/ex.35 USE W/RTP/MCX/LY6 Manufactured by...
2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050 2009-2011 Muffler Mastercraft -  4" Inlet w/60° Angle - 3.5" Outlet w/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
41%
$496.91 $848.55
MUFFLER MASTERCRAFT 2009 - 2011 4" Inlet with 60° angle 3.5" Outlet with 80° angle Vertical 8.1 Liter 235/245/255/XS OEM 252050 MUFFLER-4 > 3.5 FG...
Muffler Interchangeable 13" Ultra Straight 3-1/2 Inch O.D. Inlet With 3-1/2 Inch O.D. Straight Outlet 13 Inches Long OEM UM-289-3120
32%
$275.00 $401.99
Ultra Marine - Muffler Aftermarket Interchangeable UM-289-3120 Ultra Straight 3-1/2" Inlet With 3-1/2" Straight Outlet 13" Tip to Tip 3-1/2" in - 3-1/2" out Some...
Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED Flapper Exhaust Protector Valve With Clamp "5 & 6" SIERRA-18-4458 - CLEARANCED
4%
$70.00 $72.99
Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. For 5...
Mounting Kit For Aluminum Manifold Indmar Big Block Riser 545 - 502 - 8.1 OEM 49-5141 Mounting Kit For Aluminum Manifold Indmar Big Block Riser 545 - 502 - 8.1 OEM 49-5141
31%
$33.32 $47.95
Indmar OEM Mounting Kit Sold Each For Manifold Indmar 53-1278 Big Block 8.1 Aluminum Manifold 545 - 502 - 8.1
4 Inch. Exhaust Tips With Flapper Corsa® Performance 11050 4 Inch. Exhaust Tips With Flapper Corsa® Performance 11050
4%
$374.00 $389.99
Pair of polished stainless steel exhaust tips fit inboard boats with 4 in. exhaust. ONE PAIR 90 degree flange exhaust tips Full 6 inch diameter...
Gasket Exhaust Riser Elbow Gasket Crusader 98127
9%
$15.45 $16.91
OEM Gasket seals between manifold, riser, & elbow on Crusader center rise exhaust manifolds. Crusader center rise elbow gasket For Crusader V8 small block 305...
Riser Shim Plate Stainless Steel Crusader 98124A
4%
$8.95 $9.29
OEM Winged pass-thru plate for Crusader raw water cooled engines with center rise exhaust manifolds. Crusader exhaust riser pass-thru plate Stainless steel shim located between...
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