All Exhaust Systems by Engine Model - Small Block Chevy 305 / 350 / 377, 5.0L / 5.7L, 6.2L Exhaust Systems

Small Block GM Long H/P Riser Kit

This system was designed for mildly modified small block engines. It shares the same features as the 520-SM350K listed above, except that it's tailpipe discharges water later in the exhaust stream which provides some flexibility for mild camshaft changes. Consult us for camshaft compatibility.

Small Block GM Hi-Torque Dry System

This system was designed for highly modified small block engines with large camshafts and/or high compression This system delivers maximum performance and reliability Keep in mind, all dry systems are very loud

Small Block GM System with Switchable Diverter (Captain's Call, Silent Choice, etc.) Compatible Riser

This system shares the same great features as the 520-SM350K except that this system allows the use of a captain's call type system to be used. The risers are built especially for this application. Like the standard kit, this system comes complete. Not recommended for large camshaft engines.

All kits include: Shift, Module, and an Oil Filter Bracket

CMI Small Block Chevy Sport Tube Exhaust System, Polished

CMI Sport Tubes are a superior long tube header designed for both racing or virtually any high-performance application. For big- and small-block applications where maximum scavenging and horsepower are required, CMI Sport Tube headers deliver peak performance and power from naturally aspirated engines that generate more than one horsepower per cubic inch of displacement.

The all polished Sport Tube system is offered with a range of exhaust tailpipe options, as well as CMI's Sound Choice™ selectable silencing system. Each system includes all header attaching bolts, gaskets and cooling fittings required for installation.

Note: All CMI Systems are sold without Tailpipes

Thumper Power - Polished Small Block Exhaust System w/Shift Bracket

Here's an easy lightweight replacement for that heavy cast iron stock system. This entry level performance system is designed for stock engine application seeking a slight performance increase as well as weight reduction. Not silent choice compatible.

Thumper Power - Black Small Block Exhaust System w/Shift Bracket

Here's an easy lightweight replacement for that heavy cast iron stock system. This entry level performance system is designed for stock engine application seeking a slight performance increase as well as weight reduction. Not silent choice compatible.

This kit includes the shift bracket.

Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Manifold / 14 Degree Riser Kit. This is a dry-joint style replacement system.

Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Manifold / 7 Degree Riser Kit. This is a dry-joint style replacement system.

• Direct Replacement for Mercruiser 1987-2002 Small Block Chevy 305/5.0L and 350/5.7L Manifolds and Risers
• Constructed from Heavy Duty Cast Iron
• Individual Runners for Improved Performance over Stock Manifolds
• 4 inch, Standard Risers with 7 degree down angle. accepts 4" hose or bellows
• Kit Includes all gaskets and bolts needed for installation

Stock Mercruiser Replacement Small Block Chevy 305/350 5.0/5.7L Cast Iron Exhaust Kit (3" Hose Connection)
GM V8 Small Block without Spacer, 3in Elbow Kit

Stock Mercruiser Replacement Small Block Chevy 5.0/5.7L 305/350 Cast Iron Dry Joint Alternative Manifold / Riser Kit. This kit will replace a dry-joint style factory Mercruiser Exhaust to a more cost effective original style Wet-Joint exhaust. NOTE: This is a single manifold/riser package. 2 Kits would be needed for one engine.

• One Manifold and One Riser.
• Constructed from Heavy Duty Cast Iron
• Individual Runners for Improved Performance over Stock Manifolds
• 4 inch, Standard Risers
• Includes Bolts and Gaskets
  
• 3 inch spacer
  

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer, 4" Riser

Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer, 4" Riser

Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 3” Spacer, 3" Hose Riser
Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

Mercruiser V8 Small Block Chevy (SBC), 305/350, 5.0/5.7L Complete Exhaust System w/ 6” Spacer, 3" Hose Riser

Includes gaskets for both freshwater and raw water cooling. Replaces factory Mercruiser OEM Part Numbers:

OMC / Volvo Complete Exhaust Manifold Kit - GM V8 305/350 CID (1990 & Up)

Mercruiser SBC 1978-1982 Log to Center Rise Conversion Exhaust Kit

This kit converts 1978-1982 305/5.0L & 350/5.7L CID, Log Style Manifolds to the 1983-2002 style Center Rise Manifolds. The conversion kit uses two elbows to bring exhaust down to the original Y-Pipe. The 1982 and older Y-Pipe is 4" in diameter and round at the inlet, newer designs are oval at the inlet. Not for use on engines w/ high mounted power steering pumps. Replaces Mercury 77234A7 and 77235A8 manifolds and 76351A2 risers.