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  1. Catalytic Converters and Related (1)
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Corvette Headers, Ceramic Coated, Bassani, With Manual Transmission, 1997-2004 Part # 25-130186-1
14 Gauge Carbon Steel Produce Up To 27hp & 24 Ft/Lbs Of Torque Exclusive Ball & Socket Leak-Proof Collector Cutting To Install Required For Off Road Use Only The heart of the Bassani system is their 4 into 2 into 1 design headers. Simply said the headers start with 4 pipes per cylinder bank which then merge into 2 and then finally into 1. It is this design that builds unreal torque and then lets the engine build horsepower to sustain the acceleration. No other header even comes close to equaling this kind of torque and horsepower for such a broad power band. In dyno testing, using a K&N filter set-up on an otherwise stock car the Bassani 421 series headers produced an increase of 27 horsepower and 24 ft./lbs of torque. Very impressive by anyone's standards! These headers are ceramic coated, it has pieces that retain all the factory smog fittings. They also have an exclusive ball & socket leak-proof collector that requires no gasket plus they are supplied with a unique leak-free, stainless steel composition gasket that has a graphite foil seal. Each set of header is supplied with all necessary mounting hardware. Installing Bassani headers on a 1997-99 is accomplished by cuttying the stock intermediate pipe ahead of the catalytic converter and welding the supplied adapter flanges in place which will bolt to the header flanges. This arrangement leaves the car street legal in all 50 states. The intermediate pipe is also cut ahead of the main catalytic converter and the pre-cats are eliminated. Learn More
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