Cooling System Parts - Clamps

4" Below Platform Low Port Tailpipe Kit

This is the same low port tailpipe used on the popular Hardin Marine Cyclone and Gil manifold systems. Designed to allow vertical adjustability to fit most applications with the floating elbow and rubber hose connections. Sold in pairs, tailpipe hardware is included.

Seaward Standard Risers - Sold As A Pair

525 Seaward Tall Risers - Polished

Below Platform Seaward Risers - Sold as a pair

Low Port Polished Stainless steel tailpipe is manufactured from premium 316L Stainless steel, 4" OD. These tailpipes feature a 4" O.D and a 3-1/2" I.D. for maximum exhaust flow.

Seaward Custom 8.2L Risers - Sold As A Pair, 11-3/8" tall

Limited stock available, custom height risers. If you are in the market for a Seaward 8.2L system talk to a salesman to see if these fit your application, as it may have considerable cost reductions over building new risers.

Cyclone 525 Standard Dimension Tailpipe - Polished

This tailpipe is used on Cyclone manifolds that are adapted to MerCruiser® 525 engines. It's unique design requires additional hatch clearance in some applications. Consult for information regarding correct fit.

Additional Information:

• Standard Alpha/Bravo Exhaust Hole Locations
• Custom Measurement Instructions

Gil Replacement Dry Offshore Tailpipe - 4" O.D x 3-1/2" I.D. (Sold As A Pair)

This pipe can be used as a replacement or as an upgrade to build the very most power with a dry exhaust system.

Key Features:

• Manufactured from marine grade 316 stainless steel
• Designed to fit many applications from 5/16" to 7" diameter hoses

Additional Details:

• Diameter Size: 3 to 5" 76.2mm to 127mm
• Material: Stainless Steel
• Std. No.: 072

Interchanges/Replaces

GLM

• 1100

Mallory

• 9-73102

Mercury Marine

• 54-31765
• 54-815504372

HP500 EFI Risers, CMI Flange Pair

HP500 Standard Dimension Tailpipe - Polished

This is the same tailpipe MerCruiser® used on the popular HP500 engine package. It's unique design requires additional hatch clearance in some applications. Consult for information regarding correct fit.

• Height from flange to top is 8.25".

Additional Information:

• Standard Alpha/Bravo Exhaust Hole Locations
• Custom Measurement Instructions

Magnum Choice Replacement Polished Tailpipe - Big Block Bravo

The Magnum Choice Tailpipe was designed for use in boats with a selectable exhaust diverter system.  These pipes are sold in pairs.p>

Additional Information:

• Standard Alpha/Bravo Exhaust Hole Locations

Pair Of Cast Aluminum Hardin Marine / Gil Marine Aluminum Risers

These 4” fully water jacketed one piece cast aluminum risers are the perfect answer to providing cast header style performance while reducing weight over factory cast iron systems. Perfect for all stock replacement applications. Reduces water with exhaust at the exit of the pipe.

Seaward 3" Taller Risers - Sold As A Pair

Seaward 6" Taller Risers - Polished - Sold In Pairs

Polished Stainless steel tailpipe is manufactured from premium 316L Stainless steel, 4" OD

These tailpipes feature a 4" O.D and a 3-1/2" I.D. for maximum exhaust flow.

Seaward 600/700 Risers - Polished

Seaward XL BBC Bravo Tailpipes - Sold As A Pair

Seaward HP500 Standard BBC - Polished - Sold as a pair

Polished Stainless steel tailpipe is manufactured from premium 316L Stainless steel, 4" OD

These tailpipes feature a 4" O.D and a 3-1/2" I.D. for maximum exhaust flow. These systems are perfect for engines rated up to 525HP.

Seaward Standard Risers - Sold As A Pair

Stainless Steel Hose Clamp
Fits: 1” - 2” (27mm – 51mm)
Mallory Marine is the leading supplier of quality engine and drive parts. We offer thousands of quality parts for every Outboard, Inboard, & Sterndrive. No matter what your service or maintenance needs may be, Mallory Marine has the right part at the right price with unparalleled quality and performance.

Stainless Steel Hose Clamp
Fits: 2 1/2” - 3 1/2” (65mm – 89mm)
Mallory Marine is the leading supplier of quality engine and drive parts. We offer thousands of quality parts for every Outboard, Inboard, & Sterndrive. No matter what your service or maintenance needs may be, Mallory Marine has the right part at the right price with unparalleled quality and performance.