Description

The exhaust manifolds found in the 1967-1987 Chevrolet Pontiac Buick and Oldsmobile engines were designed to combine the exhaust gasses from each of the cylinders quickly with a manifold that was cost effective to produce. Our 4-1 Mid-Length Style off-road headers are designed to allow the exhaust gasses to flow more freely from each 4 cylinder bank and combine in a more efficient manner. Tubing has been optimized for the Small Block 265/267/283/302/305/307/327/350/400 cubic inch engines. This creates a reduction in cylinder backpressure and improved exhaust gas velocity. These improvements free up lost horsepower and torque. An added benefit is a more performance oriented exhaust sound.
Package Included:
1 x Set of Header Exhaust System
Compatible with:
Chevy 265-400 Cu.In. Small Block GEN I V8
  • Precision machined steel flanges that provide a tight seal at the head and allows a high flow rate through the primary tubes
  • Made From High Quality T304 Stainless Steel For Strength & Durability
  • Constructed With TIG Welded CNC Machine Flange For Percision & Fitment
  • All Tubing Is Mandrel-Bent
  • Comes With Metal Gasket

Chevy/Buick/Pontiac Small Block 4-1 Design 2-PC Stainless Steel Exhaust Header Kit

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