HOLIDAY SCHEDULE!

WE WILL BE CLOSED THURSDAY AND FRIDAY NOVEMBER 27th & 28th TO CELEBRATE THANKSGIVING AND WILL REOPEN ON MONDAY, DECEMBER 1st.

All orders placed during this time will be processed on Monday, December 1st when we resume our normal business hours.

HAPPY THANKSGIVING FROM THE TEAM AT MY INBOARD MARINE & GOD BLESS YOU!

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 - 3-1/2" Inlet 30° Angle - 3-1/2" Outlet 80° Angle Vertical X1 OEM 252023
37%
$525.00 $834.96
 2008-2012 MUFFLER MASTERCRAFT SILENT MASTER OPT. 3.5" Inlet w/80° angle - 3.5" outlet  w/30° angle Vertical X1/200/215/230/235/245/255 Euro Part# 252023 Manufactured by Ultra Marine. Easy...
Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A Knock Sensor Adapter Flat Response OEM PCM and Indmar | R095043A
25%
$12.00 $15.95
Adapter For Flat Response Knock Sensor Indmar 2006 & up Indmar and PCM Engines 5.7L and PCM 2008 & up 5.7L & 5.0L Engines with...
Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM UM-104378 Muffler Supra-Moomba 104378 Interchangeable Angled 3-1/2 Inch 60° O.D. Inlet 3 Inch O.D. Straight Outlet 34 Inches OEM UM-104378
43%
$395.41 $698.99
Interchangeable PORT or STARBOARD UM-107378 - REPLACES UM-4207 Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet 33" Tip to Tip 3-1/2" Inlet - 3"...
OEM Indmar one piece exhaust manifold with catalyst exhaust element for Vortec 5.7L Monsoon & 6.2L Hammerhead marine engines. Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
9%
$1,939.00 $2,120.50
IF YOU CAN ADD ONE TO YOUR CART, WE HAVE ONE LEFT. IF THIS ITEM SHOWS SOLD OUT, WE ARE WATING TOO. THANK YOU MUCH!...
Exhaust Elbow Mounting Kit With Bolts PCM Ford - Riser To Manifold 18-8504
10%
$22.55 $24.95
PCM FORD EXHAUST ELBOW MOUNTING KIT - RISER TO MANIFOLD OUT OF STOCK - CLICK HERE FOR SUBSTITUTE PLEASE Includes gasket & mounting bolts For...
Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285 Gasket Manifold Corner All GM Small Block Catalyst Engines PCM RM0285
10%
$12.95 $14.36
Manifold Corner CAT Gasket - All years - RM0285 PCM Port & Starboard Manifold to Corner gasket Sold individually
Pipe Plug Brass Exhaust Manifold Drain Plug Hex Head 3/4 Inch NPT Brass PCM - Indmar OEM RS3533A
10%
$15.21 $16.95
3/4" NPT - BRASS Drain Pipe Plug for Exhaust Manifold for Indmar OR PCM This is the newer Brass Plug - Note: 3/4" NPT measures about 1"...
Exhaust Service Installation Kit PCM Ford 302 - 351 Both Sides Complete Set OEM PCM RP173029
11%
$159.00 $179.60
OEM Pleasurecraft Marine complete engine set for BOTH sides Includes bolts for 3" & 3-1/2" risers Includes manifold gasket, riser gasket, bolts, washers, elbow and...
Gasket ETX Exhaust Manifold Dump Gasket OEM 76-5006
18%
$11.85 $14.50
GASKET EXHAUST EXT INDMAR OEM Gasket located between the Indmar ETX catalyst aluminum exhaust manifold to stainless steel elbow (dump). Indmar EXTCAT exhaust manifold elbow (dump)...
Drain Hose Exhaust Drain Hose With Coupler Indmar 816058 Drain Hose Exhaust Drain Hose With Coupler Indmar 816058
30%
$35.00 $49.99
Exhaust Drain Hose With Coupler OEM Indmar This is a great kit! Indmar 5/8" Inside Diameter Exhaust Drain Hose Replaces the old style plastic connectors...
Manifold Exhaust EXT CAT Exhaust Aluminum <b> Starboard Side</b> Indmar 53-1400HL OEM Indmar Manifold Exhaust EXT CAT Exhaust Aluminum Port Side Indmar 53-1401HL OEM Indmar
8%
$1,945.00 $2,115.36
IF YOU CAN ADD ONE TO YOUR CART, WE HAVE ONE LEFT. IF THIS ITEM SHOWS SOLD OUT, WE ARE WATING TOO. THANK YOU MUCH!...
Riser Exhaust 3" PCM Ford - GM OEM PCM R029001
9%
$205.00 $225.15
OEM Pleasurecraft Marine Exhaust Riser 3" Riser - R029001 OEM exhaust riser fits many PCM GM & Ford V8 small block marine engines Generally used...
Gasket Big Block Riser To Manifold Indmar Indmar Original 53-1017
54%
$6.75 $14.80
Exhaust Riser To Manifold Gasket Indmar Big Block Engines - All years SOLD PER SIDE - NEED TWO PER ENGINE Note: If you have FRESH WATER...
Fitting 1/2" NPT X 5/8" Barb Straight For Manifold Water Drain Hose Indmar 60-5004
47%
$3.99 $7.58
Fitting for exhaust water drain hose - H.O. OEM Indmar 605004 Straight nylon fitting. Size 1/2" threaded X 5/8" hose Fitting used in Indmar cast...
Muffler Supra Moomba Skiers Choice 3.5" Inlet W/60° Angle  - 3" Outlet OEM 100700
12%
$493.99 $561.68
MUFFLER SUPRA MOOMBA SKIERS CHOICE - REPLACES UM-0429 3.5" inlet w/60° angle 3" Outlet OEM 100700 Angled 60 Degree 3-1/2" Inlet With 3" Straight Outlet...
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