H Series 4-1 Hood Exit Race Exit Header H22 F20B Honda Acura EG EK DC2 Civic H2B

H Series 4-1 Hood Exit Race Exit Header Honda Acura EG EK DC2 CRX Si  H-Series hood exit race header (4-1 Megaphone) features a true 4-1 Megaphone merge to create equal exhaust flow. A megaphone is added next, to release pressure and increase the speed of the exiting exhaust gases. A small reverse cone is placed at the very end to provide a tiny bit of wanted back pressure.This header delivers the best peak horsepower gains while utilizing a 2 piece design. This is ideal for all forms of competition; Autocross, Drag racing and road racing. Recommended for 1.8-2.2L engine displacementsFits: 1992 - 2000 Civic EG EK 1993 - 1997 Honda Del Sol 1994 - 2001 Acura Integra DC DC2 1988 - 1991 Honda CRX with any H-Series engine swap with aftermarket traction bar 1990 - 1993 Acura Integra with aftermarket traction bar Honda H-Series Engines H22 H22A F20B Brand New In Box Made of 304 Brushed Stainless steel(S/S) Hand TIG Welded 02 extension needed CNC-ed machined manifold flange One year warranty 18G on the 304 S/S OEM spec header gasket