Exhaust Systems - Indmar Exhaust Systems

Big Block Chevy Jet Kit with Aluminum Riser

• 4" exit
• 19-1/4" high from crankshaft centerline
• 32-1/2" wide on stock heads

These manifolds have individual primaries for more torque and horsepower over your stock center rise or log style exhaust manifolds.  This is a great choice as an upgrade from log style manifolds. These manifolds have a steep down slope originally designed for jet boat applications. 19-1/4" high from crankshaft centerline, 32-1/2" wide on stock heads.

These come raw aluminum and need to be finished.

Priced per pair.

Small Block Ford Aluminum Manifold and Riser Kit

These manifolds have individual primaries for more torque and horsepower over your stock center rise or log style exhaust manifolds.  This is a great choice as an upgrade from log style manifolds. These manifolds have a steep down slope originally designed for jet boat applications.  Riser fits 3-1/2" exhaust hose. From center of exhaust port to end of riser is 13-1/2"