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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.
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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

OEM Indmar 49-5180 RE-PLUMB KIT FOR 5.7 EXT CAT
1%
$169.00 $170.20
OEM Indmar 49-5180 RE-PLUMB KIT FOR 5.7 EXT CAT This kit changes the water flow through the 5.7L ETX CAT exhaust manifolds (re-routes the cooling...
1994-1997 Muffler Mastercraft - 3.5" Offset Inlet/Outlet MS200/MS225 VRS - 17" OAL OEM 252029
38%
$498.00 $809.33
MUFFLER MASTERCRAFT 1994 - 1997 3.5" offset  inlet/outlet MS200/MS225 VRS - 17" OAL  OEM 252029 Fits both sides - Starboard & Port MUFFLER - 3.5"...
1990-1993 MUFFLER MASTERCRAFT LIFT - 3" INLINE LIFT 60° ANGLE - 3" OUTLET 24"L OEM 252015
30%
$515.52 $741.05
MUFFLER MASTERCRAFT LIFT 1990-1993 + 3" INLINE LIFT 60° ANGLE - 3" OUTLET APPROXIMATELY 26" OVERALL LENGTH OEM 252015 Part# 252015 3" Inlet & 3"...
Muffler Interchangeable Ultra 3 Inch Straight Inlet With 3 Inch Straight Outlet 13 Inches Long OEM UM-289-3000 Muffler Interchangeable Ultra 3 Inch Straight Inlet With 3 Inch Straight Outlet 13 Inches Long OEM UM-289-3000
41%
$225.00 $380.73
Ultra Marine - Muffler Aftermarket Interchangeable UM-289-3000 13" Total length 3" inlet/outlet Also available in 3-1/2" & 4" in - out Straight 3" Inlet with...
Riser Exhaust 3.5" PCM H.O. Ford - GM OEM PCM R029011 Riser Exhaust 3.5" PCM H.O. Ford - GM OEM PCM R029011
11%
$275.00 $310.00
OEM Pleasurecraft Marine HO Exhaust Elbow Riser 3.5" Riser IN STOCK FOR NOW! 3.5" PCM Exhaust Elbow Riser fits 5.7L Engines - R029011 This is...
Bolt For Exhaust Manifold Stainless Ford All Years PCM RS3945 Bolt For Exhaust Manifold Stainless Ford All Years PCM RS3945
30%
$3.00 $4.29
Stainless Steel Allen Head Bolt 3/8 -16 x 1 1/8 In SOLD EACH! 8 Bolts are needed per manifold OEM Exhaust Manifold Bolt PCM Ford...
FITTING NYLON 3/8" NPT X 5/8" BARB 90 DEGREE FOR MANIFOLD WATER DRAIN HOSE INDMAR 605019
36%
$5.49 $8.55
90 Degree Elbow Nylon Fitting For Indmar Manifolds 3/8" X 5/8" OEM Indmar 605019  Sold each. Note! DO NOT replace this fitting with anything other than nylon. Replacing these...
MUFFLER KIT SUPRA MOOMBA SKIERS CHOICE KIT -340 Cayalist Muffler w/(2) Rubber Elbows OEM 107208
15%
$1,197.31 $1,412.17
MUFFLER KIT SUPRA MOOMBA SKIERS CHOICE KIT Does NOT include the 2 rubber elbows! 340 Catalyst Muffler - 3.5" In / 3.5" Out 39° Angle...
Manifold Elbow Brass 3/4 Inch X 1 Inch NPT Hose Barb Indmar & PCM R024006A
9%
$24.45 $26.95
1" X 3/4" - Brass Elbow for Manifold for Indmar OR PCM PCM BRAND Replaces Osco Fittings for 28001 Marine brass elbow for exhaust manifold inlet...
Exhaust Riser - 4 Inch Crusader High Profile Barr Marine CR-20-29015 Exhaust Riser 4 Inch Crusader High Profile Barr Marine CR-20-29015
19%
$369.00 $457.00
Exhaust Riser Barr Marine replacement 4 inch Crusader exhaust elbow used on the center rise manifold design. New version reduces the chances of water intrusion...
Riser Block Off Plate Stainless Steel Crusader 98124
19%
$10.00 $12.30
OEM Winged block off plate for Crusader closed cooled engines with center rise exhaust manifolds. Antifreeze Cooling Systems. Crusader exhaust riser block off plate Stainless...
Manifold Exhaust PCM GM 305 - 350 Small Block Engines PCM-R028009 Manifold Exhaust PCM GM 305 - 350 Small Block Engines PCM-R028009
2%
$344.00 $352.29
OEM Pleasurecraft Marine center rise exhaust manifold fits GM 5.0L & 5.7L - 305 - 350 CID marine engines. PCM exhaust manifold For Pleasurecraft Marine GM...
MUFFLER TIGE' - 3" inlet w/extended 76° angle - 3.5" outlet - 27" body length OEM - 4087-T
23%
$542.18 $704.01
MUFFLER TIGE 3" inlet w/extended 76° angle 3.5" outlet 27" body length OEM - 4087-T Shipping Dimensions: 12x12x48 Manufactured by Ultra Marine. Easy to install!...
MUFFLER TIGE' - 3" inlet w/90°angle - 3.5" outlet - Port - 6" body length OEM - UM-TB4178-P
13%
$470.76 $543.21
MUFFLER TIGE' - PORT - LEFT SIDE 3" inlet w/90°angle 3.5" outlet Port 6" body length OEM TB4178-P Shipping Dimensions: 30x14x11 Manufactured by Ultra Marine....
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
13%
$595.00 $687.48
Original Equipment Indmar Exhaust Manifold 53-1051 Manifold ONLY - Fits Port & Starboard - Same Part Number. GM V8 Small Block Exhaust Manifold Fits Indmar GM...
Pipe Plug Hex Head Brass Exhaust Manifold 6.0L 3/8" NPT OEM RS3557 Pipe Plug Hex Head Brass Exhaust Manifold 6.0L 3/8" NPT OEM RS3557
25%
$2.99 $3.99
Pipe Plug for Exhaust Manifold 6.0L 3/8" NPT - Hex Head 2004 and up PCM 6.0L drain plug, 2 per manifold Also fits Indmar EXT Manifolds...
Muffler Tige' - 3" Inlet W/Extended 90° Angle - 3.5" Outlet - 15" Body Length OEM - TB4087
16%
$497.50 $589.53
MUFFLER TIGE' 3" inlet w/extended 90° angle 3.5" outlet 15" body length OEM TB4087 Shipping Dimensions: 12x13x38 Manufactured by Ultra Marine. Easy to install! Ultra...
2009-2011 Muffler Mastercraft Late 2009 - 2011 - 3.5"Inlet/Outlet - Vertical Starboard 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252063
35%
$547.98 $847.62
MUFFLER MASTERCRAFT LATE 2009 - 2011 3.5"inlet/outlet Vertical Starboard 214V/MX/XS/ex.35 Use W/RTP/MCX/LY6 OEM 252063 MUFFLER-3.5"VERT. STARBOARD LATE 2009 - 2011 214V/MS/XS/ex.35 CLICK HERE FOR PORT...
Manifold Exhaust And Complete Install Kit With Gaskets For GM All 5.7L Engines OEM CHV-1-83 Manifold Exhaust And Complete Install Kit With Gaskets For GM All 5.7L Engines OEM CHV-1-83
28%
$389.00 $538.00
Original Equipment 5.7L All Years. Barr CHV-1-83 Fits Port & Starboard - Same Part Number PLEASE NOTE: - This part number CHV-1-83 is slightly narrower...
Volvo Exhaust Temperature Sender For Riser Factory Original 3862500
6%
$39.15 $41.85
OEM Volvo exhaust temperature switch activates an alarm if overheating occurs. This is the ORIGINAL VOLVO PENTA SENSOR OEM REPLACEMENT Exhaust Temperature Sensor Warns of...
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