GM LS Cast Iron Exhaust Manifolds Black Finish Air Intakes The Relentless Automotive Development high

The Relentless Automotive Development high flow downpipe is engineered specifically for the Ram RHO and HO platform to improve exhaust flow and reduce restriction while maintaining precise fitment and long term durability

5 in Black Ceramic Tip - Stainless - Natural - 3

81 in OD - C4-R6 Valve - Digressive - Steel - Zinc Plated - Each

Exhaust Wrap - 2 in Wide - 25 ft Roll - Stainless Locking Ties - Woven Fiberglass - Black - Each

Muffler - 70 Big Block II - 2

GM LS Cast Iron Exhaust Manifolds Black Finish Air Intakes The Relentless Automotive Development highExhaust Manifold LS Cast Iron 2. 25 in Outlet Ductile Iron Black Ceramic GM LS Series Pair