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Home > Sterndrive Parts (Inboard Outboard) > Mercruiser Sterndrives > Exhaust System for Mercruiser > Exhaust Manifold Kits for Mercruiser


Complete Manifolds, Risers, Gaskets, Bellows,
mounting hardware customized for your Mercruiser application
Exhaust Manifold Kits for Mercruiser



Manifold, Exhaust Kit, GM 454 7.4L, 502 8.2L V8 Barr 3"
Part Number: BPIBB3BAR
Weight: 142
Price: $499.00
Quantity in Basket: none
Exhaust Manifold Kit for GM Big Block V8 454/502 CID Barr Style With 3" Exhaust
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC992 3" Risers, 2 - OSC992-G Riser Gaskets, 2 - OSCCW994 Manifolds, 2 - OSCCW-GH Manifold Gaskets Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser 454 7.4L, 502 8.2L V8 3"
Part Number: BPIBB3MER
Weight: 148
Price: $579.00
Sorry, we are temporarily out of BPIBB3MER 'Manifold, Exhaust Kit, Mercruiser 454 7.4L, 502 8.2L V8 3"'. Please check back later.
Quantity in Basket: none
Exhaust Manifold Kit for Mercruiser Big Block V8 454/502 CID Center Riser with 3" exhaust
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC8503A 3" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC9011 Manifolds, 2 - OSCCW-GH Manifold Gaskets
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits



Manifold, Exhaust Kit, GM 454 7.4L, 502 8.2L V8 Barr 4"
Part Number: BPIBB4BAR
Weight: 146
Price: $559.00
Quantity in Basket: none
Exhaust Manifold Kit for GM Big Block V8 454/502 CID Barr Style With 4" Exhaust
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC99204 4" Risers, 2 - OSC992-G Riser Gaskets, 2 - OSCCW994 Manifolds, 2 - OSCCW-GH Manifold Gaskets Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 454 7.4L, 502 8.2L V8 4"
Part Number: BPIBB4MER
Weight: 154
Price: $629.00
Quantity in Basket: none
Exhaust Manifold Kit for Mercruiser Big Block V8 454/502 CID Center Riser with 4" exhaust
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC4354 4" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC9011 Manifolds, 2 - OSCCW-GH Manifold Gaskets
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8, Inboard
Part Number: BPIMANMERCHVI-B
Weight: 158
Price: $669.00
Quantity in Basket: none
Complete Exhaust Manifold Kit Converts older log style manifolds to center rise design. Fits older Mercruiser (Chevy) Small Block V8 Inboards Includes: manifolds, risers, hardware thermostat housing, and Hoses. NOTE: Does not include Hose from transom to thermostat housing Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8, Inboard, Outboard
Part Number: BPIMANMERCHVI-O
Weight: 169
Price: $669.00
Quantity in Basket: none
Complete Exhaust Manifold Kit Converts older log style manifolds to center rise design. Fits older Mercruiser (Chevy) Small Block V8 Inboard/Outboards Includes: manifolds, risers, hardware thermostat housing, and Hoses. NOTE: Does not include Hose from transom to thermostat housing Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser Ford 302 5.0L, 351 5.8L V8, Inboard
Part Number: BPIMANMERFRDI-B
Weight: 132
Price: $649.00
Quantity in Basket: none
Complete Exhaust Manifold Kit Converts older log style manifolds to center rise design. Fits older Mercruiser (Ford) Small Block V8 Inboards Includes: manifolds, risers, hardware thermostat housing, and Hoses. NOTE: Does not include Hose from transom to thermostat housing Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser Ford 302 5.0L, 351 5.8L V8, Inboard-Outboard
Part Number: BPIMANMERFRDI-O
Weight: 143
Price: $649.00
Quantity in Basket: none
Complete Exhaust Manifold Kit Converts older log style manifolds to center rise design. Fits older Mercruiser (Ford) Small Block V8 Inboard/Outboards Includes: manifolds, risers, hardware thermostat housing, and Hoses. NOTE: Does not include Hose from transom to thermostat housing Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, GM 305 5.0L, 350 5.7L V8 Barr 3"
Part Number: BPISB3BAR
Weight: 140
Price: $409.00
Quantity in Basket: none
Exhaust Manifold Kit for GM Small Block V8 305/350 CID Barr Style With 3" Exhaust
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC992 3" Risers, 2 - OSC992-G Riser Gaskets, 2 - OSC994 Manifolds, 2 - OSCCV-GH Manifold Gaskets Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8 3"
Part Number: BPISB3MER
Weight: 140
Price: $449.95
Sorry, we are temporarily out of BPISB3MER 'Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8 3"'. Please check back later.
Quantity in Basket: none
This is an Exhaust Manifold Kit for Mercruisers with the Small Block V8 GM 305/350 CID Center Risers 1983-1986 with 3" exhaust
This kit has 3 inch center risers, and was used from 1983 thru 1986 (partial).
This kit includes: 2 - OSC7114B Manifolds, 2 - OSCCV-GH Manifold Gaskets, 2 - OSC8503A 3" Risers, 2 - OSC8503-GR Riser Gaskets
This Kit will replace the Original Mercruiser equipment.
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits



Manifold, Exhaust Kit, GM 305 5.0L, 350 5.7L V8 Barr 4"
Part Number: BPISB4BAR
Weight: 140
Price: $429.00
Quantity in Basket: none
Exhaust Manifold Kit for GM Small Block V8 305/350 CID Barr Style With 4" Exhaust
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC99204 4" Risers, 2 - OSC992-G Riser Gaskets, 2 - OSC994 Manifolds, 2 - OSCCV-GH Manifold Gaskets
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8 4"
Part Number: BPISB4MER
Weight: 140
Price: $469.00
Quantity in Basket: none
Exhaust Manifold Kit for Mercruiser Small Block V8 GM 305/350 CID 1987 & up with 4" exhaust
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC4354 4" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC7114B Manifolds, 2 - OSCCV-GH Manifold Gaskets

NOTE: This manifold WILL NOT FIT Dry Joint Exhaust Systems.

Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Ford 302 5.0L, 351 5.8L V8 3" Barr
Part Number: BPISBF3BAR
Weight: 140
Price: $459.00
Quantity in Basket: none
Exhaust Manifold Kit For Barr Small Block Ford V8 302/351 CID with 3" Risers
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Kit includes all manifolds risers and gaskets to replace exhaust on one engine -add $30 for mounting hardware -add $40 for 3-1/2" Riser option Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Ford 302 5.0L, 351 5.8L V8 4" Barr
Part Number: BPISBF4BAR
Weight: 140
Price: $499.00
Quantity in Basket: none
Exhaust Manifold Kit For Barr Small Block Ford V8 302/351 CID with 4" Risers
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
Kit includes all manifolds risers and gaskets to replace exhaust on one engine add $30 for mounting hardware Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 262 4.3L V6 3"
Part Number: BPIV63MER
Weight: 119
Price: $579.00
Sorry, we are temporarily out of BPIV63MER 'Manifold, Exhaust Kit, Mercruiser GM 262 4.3L V6 3"'. Please check back later.
Quantity in Basket: none
Exhaust Manifold Kit for Mercruiser V6 Before 1986 with 3" exhaust
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC8503A 3" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC9745 Manifolds, 2 - OSCCS-GH Manifold Gaskets Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits



Manifold, Exhaust Kit, Mercruiser GM 262 4.3L V6 4"
Part Number: BPIV64MER
Weight: 127
Price: $629.00
Quantity in Basket: none
Exhaust Manifold Kit for Mercruiser V6 1987 & up with 4" exhaust
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - OSC4354 4" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC9745 Manifolds, 2 - OSCCS-GH Manifold Gaskets

NOTE: This manifold WILL NOT FIT Dry Joint Exhaust Systems.
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



V6 Manifold Conversion Kit, Mercruiser
Part Number: GLM58992
Weight: 200
Price: $849.00
Quantity in Basket: none
Manifold Conversion Kit is designed to convert all Single Piece Exhaust Manifolds to the Center Riser Manifolds on V6 4.3L Engines with GM 262 CID Blocks from 1996 to 2000 that have Raw Water Cooling.
Kit includes 2 Manifolds, 2 Risers, 2 Elbows, Exhaust Tubes, Gaskets, Hardware
*Does NOT contain original exhaust tube (OEM: 32-807458T) to be used with original Y-Pipe. You may re-use original exhaust tube with this kit.
Used to replace One-Piece manifold/risers like these:
Mercruiser V6 1-piece riser-manifold
 
 



Exhaust Manifold Kit, Aluminum, Mercruiser GM 262 4.3L V6 3"
Part Number: GLM59223
Weight: 60
Price: $629.00
GLM59223 is not available, check back soon
Quantity in Basket: none
Aluminum Manifold/Riser Kit for GM V6 4.3L Mercrusier, 3" Exhaust Includes 2 aluminum risers, 2 aluminum manifolds, all gaskets and hardware shown
GLM Aluminum Manifolds and Risers come with a 2-year warranty (PDF)!



Exhaust Manifold Kit, Aluminum, Mercruiser GM 262 4.3L V6 4"
Part Number: GLM59225
Weight: 60
Price: $659.00
GLM59225 is not available, please check back.
Quantity in Basket: none
Aluminum Manifold/Riser Kit for GM V6 4.3L Mercrusier, 4" Exhaust Includes 2 aluminum risers, 2 aluminum manifolds, all gaskets and hardware shown
GLM Aluminum Manifolds and Risers come with a 2-year warranty (PDF)!



Exhaust Kit, Barr Style, GM Big Block 3"
Part Number: GLMBB3BAR
Weight: 143
Price: $399.00
Quantity in Basket: none
This Exhaust Kit fits GM Big Block V8 with 3" Barr Style Center Riser Exhaust.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56240 Manifolds, 2 GLM56110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. This is a Barr Style that has been used on many generic applications, and some Marine Power and Barr Engines.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM Big Block 3"
Part Number: GLMBB3MER
Weight: 123
Price: $499.00
Quantity in Basket: none
Exhaust Kit: Fits Mercruiser GM Big Block V8 with 3" Center Riser Exhaust.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM51240 Manifolds, 2 GLM51110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, GM Big Block 4"
Part Number: GLMBB4BAR
Weight: 140
Price: $469.00
Quantity in Basket: none
This Exhaust Kit fits GM V8 Big Block with Barr Style 4" Center Riser Exhaust.
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56240 Manifolds, 2 GLM56140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. This is a Barr Style that has been used on many generic applications, and some Marine Power and Barr Engines.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM Big Block 4"
Part Number: GLMBB4MER
Weight: 123
Price: $519.00
Quantity in Basket: none
This Exhaust Kit fits Mercruiser GM Big Block V8 with 4 " Center Riser Exhaust.
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM51240 Manifolds, 2 GLM51140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, GM Small Block 3"
Part Number: GLMSB3BAR
Weight: 140
Price: $399.95
Quantity in Basket: none
This Exhaust Kit fits GM Small Block V8 with 3" Barr Style Center Riser Exhaust.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56230 Manifolds, 2 GLM56110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. This is a Barr Style that has been used on many generic applications, and some Marine Power and Barr Engines.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM Small Block 3"
Part Number: GLMSB3MER
Weight: 140
Price: $409.95
Quantity in Basket: none
This Exhaust Kit fits Mercruiser GM Small Block V8 with 3" Center Riser Exhaust.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM51230 Manifolds, 2 GLM51110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, GM Small Block 4"
Part Number: GLMSB4BAR
Weight: 140
Price: $459.00
Quantity in Basket: none
This Exhaust Kit fits GM Small Block V8 with Barr Style 4" Center Riser Exhaust.
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56230 Manifolds, 2 GLM56140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. This is a Barr Style that has been used on many generic applications, and some Marine Power and Barr Engines.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM Small Block 4"
Part Number: GLMSB4MER
Weight: 141
Price: $449.00
Quantity in Basket: none
This Exhaust Kit fits Mercruiser GM Small Block V8 with 4" Center Riser Exhaust.
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM51230 Manifolds, 2 GLM51140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets.

NOTE: This manifold WILL NOT FIT Dry Joint Exhaust Systems.

GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, Ford Small Block 3"
Part Number: GLMSBF3BAR
Weight: 140
Price: $399.95
Quantity in Basket: none
This Exhaust Kit fits Ford Small Block V8 with 3" Center Riser Barr Style Exhaust.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56250 Manifolds, 2 GLM56110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. Barr Style Exhaust has been used on many Generic Marine applications, & Log Style to Center Riser conversions.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, Ford Small Block 4"
Part Number: GLMSBF4BAR
Weight: 140
Price: $449.00
Quantity in Basket: none
This Exhaust Kit fits Ford Small Block V8 with 4" Center Riser Barr Style Exhaust.
This kit requires a 4" I.D. Exhaust hose to be connected to the riser. The outlet on this riser is 4 inches and this kit fits the 289-302-351 Ford marine engine.
Includes 2 GLM56250 Manifolds, 2 GLM56140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM V6 3"
Part Number: GLMV63MER
Weight: 108
Price: $489.00
Quantity in Basket: none
This Exhaust Manifold Kit is for Mercruiser V6 Before 1986 with 3" exhaust
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
This kit includes: 2 - GLM51110 3" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - GLM51220 Manifolds, 2 - OSCCS-GH Manifold Gaskets. Mercruiser used 3.0" Risers from 1983-1986. If you do have a 1986, measure the outlet on the riser. This was a transition year & some are 4.0".
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM V6 4"
Part Number: GLMV64MER
Weight: 110
Price: $499.00
Quantity in Basket: none
This Exhaust Kit fits Mercrusier GM V6 (1987-up) with 4" Center Riser Exhaust.
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM51220 Manifolds, 2 GLM51140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. Mercruiser used 4.0" Risers from 1986 & Up. If you do have a 1986, measure the outlet on the riser. This was a transition year & some are 3.0".

NOTE: This manifold WILL NOT FIT Dry Joint Exhaust Systems.

GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 
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