K-TUNED K-SWAP 4-1 RACE HEADER POLISHED 304 STAINLESS STEEL CIVIC EG EK INTEGRA DC2With the great success of the K tuned original Swap header, we have decided to add another option to our header line up. The K Tuned Race Header offers a proven 4 1 design with a true slip fit merge collector for maximum exhaust flow. The Race header is designed to deliver power gains in the upper RPM range, making it perfect for drag racing and street use. Like our other headers, it fits perfectly under shifter mounting kits and is well centered in