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

MANIFOLD EXHAUST BIG BLOCK CENTER RISE PCM OEM R028010A FOR 8.1L ENGINE
20%
Sold Out
NOTE PLEASE: This manifold is no longer available. Please click the link below for a good conversion kit: CLICK HERE FOR CONVERSION KIT - R028010-CONV PCM Big...
Bolt HHCS - 7/16" X 14 X 1" Grade 8 PCM RS0327
8%
$0.90 $0.98
BOLT 7/16" X 14 X 1" GRADE 8 PCM RS0327 Bolt HHCS 7/16-14 X 1in GR8 Replaces Crusader 90408100  
Nut Manifold To Cylinder Head 6.0L - 5.7L OEM RS7026
29%
$0.25 $0.35
Manifold nut to cylinder head 6.0L 12 REQUIRED FOR EACH SIDE OF ENGINE
Manifold Exhaust PCM 6.0L ZR Non CAT PCM R028023 Manifold Exhaust PCM 6.0L ZR Non CAT PCM R028023
13%
$350.00 $402.15
OEM Pleasurecraft Marine center rise exhaust manifold Fits 6.0L ZR Engines PCM R028023A IS THE NEW NUMBER FOR THE SAME PART PER PCM! 2004 UP...
2005-2006 Muffler Mastercraft - 8.1 Crusader 245 SS OEM 253023A
37%
$1,045.88 $1,668.78
MUFFLER MASTERCRAFT 2005-2006 8.1 Crusader 245 SS OEM 253023A Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass and highly fire-retardant resins make...
2005-2006 MUFFLER MASTERCRAFT - 6.0 Crusader SW OEM 253022A
34%
$1,063.56 $1,614.21
kMUFFLER MASTERCRAFT 2005-2006 6.0 Crusader SW OEM 253022A Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass and highly fire-retardant resins make this...
2004-2006 Muffler Kit Mastercraft - 3.5" MCX 280 Twin Starboard OEM 253017
34%
$1,124.32 $1,699.83
MUFFLER MASTERCRAFT 2004-2006 3.5" MCX 280 Twin Starboard OEM 253017 MUFFLER-KIT 280 TWIN MCX STBD 04 - 06 3.5 INCH OUTLET  Manufactured by Ultra Marine....
2002-2006 MUFFLER MASTERCRAFT - 6.0 VRS - Cadillac OEM 253002A
20%
$1,050.13 $1,316.78
MUFFLER MASTERCRAFT 2002-2006 6.0 VRS - Cadillac OEM 253002A Inlets/outlets are 3-1/2” OD The main cylinder is 30” long not including the end caps –...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet - Starboard 7.4 Liter OEM 252085
34%
$594.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard 7.4 Liter OEM 252085 MUFFLER-STBD 7.4 Manufactured by Ultra Marine. Easy to install! Ultra Marine Fine fiberglass...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet - Port 7.4 Liter OEM 252084
34%
$594.83 $907.97
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port 7.4 Liter OEM 252084 MUFFLER - PORT 7.4 Manufactured by Ultra Marine. Easy to install! Ultra Marine...
2011-2012 Muffler Mastercraft - 3.5" Inlet/Outlet - Starboard MCX V-Drive OEM 252075
5%
$547.93 $573.92
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Starboard MCX V-Drive OEM 252075 MUFFLER-STBD 2011 - 2012 USE W/ MCX V-DRIVE Manufactured by Ultra Marine. Easy...
2011-2012 MUFFLER MASTERCRAFT - 3.5" inlet/outlet -Port MCX V-Drive OEM 252074
19%
$548.93 $673.92
MUFFLER MASTERCRAFT 2011 - 2012 3.5" inlet/outlet Port MCX V-Drive OEM 252074 MUFFLER - PORT 2011 - 2012 USE W/ MCX V-DRIVE Manufactured by Ultra...
2009-2012 MUFFLER MASTERCRAFT LATE 2009 - 2012 - 4" Inlet/3.5" Outlet - Vertical Starboard 245/255/XS Use W/8.1 OEM 252065
29%
$607.39 $856.70
MUFFLER MASTERCRAFT LATE 2009 - 2012 4" Inlet - 3.5" Outlet Vertical Starboard 245/255/XS Use W/8.1 OEM 252065 MUFFLER-4>3.5"VERT. STARBOARD LATE'2009 - 2012 - 245/255/XS...
2009-2012 MUFFLER MASTERCRAFT LATE 2009 - 2012 - 4" Inlet /3.5" Outlet - Vertical Port 245/255/XS use W/8.1 OEM 252064
29%
$607.40 $856.70
MUFFLER MASTERCRAFT LATE 2009 - 2012 4" Inlet /3.5" Outlet Vertical Port 245/255/XS Use W/8.1 OEM 252064 MUFFLER 43.5" VERT. PORT LATE 2009 -2012  -...
2009-2012 MUFFLER MASTERCRAFT - INLINE HORIZONTAL 3-1/2" INLET - OUTLET 214/220/265 -252004
40%
$460.25 $764.21
Years 2009 - 2012 Mastercraft Muffler Inline Horizontal 214/220/265  Part# 252004 3-1/2" Inlet & Outlet OAL Approx. 35.5" - 36"  Manufactured by Ultra Marine. Easy to install! Ultra...
2014 Muffler Mastercraft - 5.7 Standard 214V - X14V Starboard Side 250047AS
22%
$455.95 $580.99
Mastercraft Muffler 2014 Prostar 5.7L Standard Starboard Side Muffler 214V & X14V Part# 250047AS Full Kit Part# 250047A includes both mufflers. Manufactured by Ultra Marine. Easy to...
2014 Muffler Mastercraft - 5.7 Standard 214V - X14V Starboard Side UM-250047AS
17%
$503.98 $605.69
Mastercraft Muffler 2014 Prostar 5.7L Standard 214V &  X14V Port Side Muffler 214V - X14V Part# 250047AP Full Kit Part# 250047A includes both mufflers. Manufactured by Ultra...
2014 Muffler Kit Mastercraft - 5.7 Standard 214V - X14V Port And Starboard Mufflers 250047A
18%
$1,100.40 $1,334.52
Mastercraft Muffler Kit - 2014 5.7L Standard 214V & X14V Part# 250047A For Standard 5.7L 214 - X14V Kit Includes: 1 - Standard 5.7L Port Muffler...
2014 Muffler Kit Mastercraft - 5.7 Standard X2 Port And Starboard Mufflers 250044B
25%
$997.25 $1,334.52
Mastercraft Muffler Kit - 2014 5.7L Standard X2 Part# 250044B For Standard 5.7L X2 Kit Includes: 1 - Standard 5.7L Port Muffler 1 - Standard 5.7L...
2014 Muffler Kit Mastercraft - Prostar 5.7 Port And Starboard Mufflers With 2 - Fiberglass Elbows 250039A
15%
$1,137.31 $1,331.72
Mastercraft Muffler Kit - 2014 5.7L Part# 250039A Kit Includes: 1 - Prostar 5.7L Port Muffler 1 - Starboard Muffler 2 - Fiberglass Elbows If you...
2014 Muffler Kit Mastercraft Prostar 6.2 Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250038A
18%
$912.44 $1,112.48
Mastercraft Muffler Kit - 2014 6.2L Part# 250038A Kit Includes: 1 - Prostar 6.2L Port Muffler 1 - Starboard Muffler 2 - 35° Fiberglass Elbows Main...
2014 Muffler Mastercraft Prostar 6.2L Engine 2500381
28%
$405.47 $560.94
Mastercraft Muffler 2014 Prostar 6.2L Engine 6.2 Prostar 3.5" Inlet wit a 90° angle - 3.5" Outlet Part# 2500381 Main Barrel is 6" diameter Overall...
2014 Muffler Kit Mastercraft Prostar 5.7 CE Port And Starboard Mufflers With Two 35° Fiberglass Elbows 250037
11%
$993.40 $1,112.48
Mastercraft Muffler Kit - 2014 Years Part# 250037 Kit Includes: 1 - Prostar 5.7 CE Port Muffler 1 - Starboard Muffler 2 - 35° Fiberglass Elbows...
Muffler Interchangeable Angled 3-1/2 Inch O.D. Inlet With 3 Inch O.D. Straight Outlet 46 Inches Long OEM UM-288-3530
29%
$324.00 $458.36
Ultra Marine - Muffler Aftermarket Interchangeable UM-288-3530 Angled 3-1/2" Inlet With 3" Straight Outlet 46" Tip to Tip Was used on some Moomba's mid-1990 to...
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