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4-2-1 Header One-Piece
Key Features:
Every system is dyno-tested for maximum performance
CAD-rendered, race-inspired 4-2-1 design emphasizes low and mid-range power for street/strip applications
One-piece design improves ground clearance and reduces weight by eliminating middle flanges-significantly lighter than stock and two pounds lighter than two-piece systems!
100% 304 Stainless steel construction including the flanges (polished or brushed), or mild steel with ceramic coating
CNC mandrel bends with robotically-welded fittings deliver perfect fit
CNC-machined and threaded flanges
Equal length primary piping ensures optimum tuning of systems for more power across rpm range
All systems except RACE ONLY systems are C.A.R.B. exempt or pending C.A.R.B. exemption
Includes comprehensive instructions and all necessary hardware
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