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 EK1993 - 1997 Honda Del Sol1994 - 2001 Acura Integra DC DC21988 - 1991 Honda CRX with any H-Series engine swap with aftermarket traction bar1990 - 1993 Acura Integra with aftermarket traction barHonda H-Series Engines H22 H22A F20BBrand 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