The exhaust manifolds found in the 1959-1978 Big Block Chrysler Hemi 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 Block Hugger off-road headers are designed to allow the exhaust gasses to flow more freely from each cylinder bank and combine in a more efficient manner. Block Hugger style headers are meant to be used where space for long tube headers isn?t available due to steering and cross member clearance issues. Tubing has been optimized for the 383, 400, 413, 426 and 440 Hemi 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 exhaust header
All necessary hardware, bolts, and gaskets
Compatible with:
Dodge/ Chrysler/ Plymouth Big Block 5.2L - 5.7L Mopar 383/ 400/ 413/ 426/ 440 V8 (1959-78)
  • 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 Gasket

High Performance 4-1 Design 2-PC Stainless Steel Exhaust Header Kit

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