ZZP Resonator Section for Catback Size:3 Inches There used phenolic to shield

There used phenolic to shield the blower IC from engine heat with fantastic results

Display Lambda values from

THIS WILL NOT FIT ANY CHEVY CRUZE

This is a direct fit stock replacement but oversized Cobalt heat exchanger

CHEVROLET ASTRO 1996-1997

ZZP Resonator Section for Catback Size:3 Inches There used phenolic to shieldThis is our 3 chambered quiet resonator for those who already have our catback exhaust system and want to clamp it into your existing system. Choose from the drop downs for 3" or 2. 5". The 3" option will have a 3" bolt in flange and a 3" exit (intended for our 3" catback). The 2. 5" option will have a 2. 5" bolt in flange and a 2. 5" exit (intended for our 2. 5" catback). If you are handy and can weld yourself please look at our resonator in the