These headers are a 4-1 design and feature 1 5/8" runners, smooth formed collector with 2.5" outlet. They are NOT a direct fit to the stock catalytic converters. Power gains are 18-20 whp and 20+ ft*lb.
The headers are made of 100% 304 stainless steel.
Includes new outlet gaskets.
Matching flanges for modifying your exhaust are available at an additional charge.
Optional Ceramic coating will reduce engine bay temperatures and keep the headers looking good for years.
***THESE HEADERS REQUIRE YOU TO MODIFY YOUR STOCK CATS, USE HIGH-FLOW CATS OR MAKE TESTPIPES TO FIT. THEY ARE LONGER THAN THE STOCK MANIFOLDS.***