- Every system is dyno-tested for maximum performance
- CAD-rendered, two-piece 4-2-1 design eases installation
- CNC-machined O-Rings eliminate leaks
- 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 eliminate leaks
- Equal length primary piping ensures optimum tuning of systems for more power across rpm range
- C.A.R.B. exempt or pending C.A.R.B. exemption
- Includes comprehensive instructions and all necessary hardware
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4-2-1 TWO PIECE HEADERS