Catback Exhaust System for Chevy Cavalier Pontiac Sunfire (1996-2001)High Flow 2. 5 Inch Stainless Catback for 1996 2001 Chevy Cavalier & Pontiac Sunfire GM 122 LD9 Twin Cam Who Its For: Designed specifically for Chevy Cavalier and Pontiac Sunfire owners running the GM 122 (2. 2L) or the high revving LD9 Twin Cam (2. 4L) engines. This is for the enthusiast who wants to shed the restrictive factory piping for a deeper, more aggressive exhaust note and improved throttle response. The Problem: The factory exhaust on the J