This product is currently out of stock.
ZZPerformance now carries a full length downpipe for the Bonneville, Park Avenue, Riviera & Olds 88 LSS.
The OEM Bonneville downpipe is about 12" long and bolts to the front of the cat with 4 bolts. The factory cat-back exhaust includes the cat on the H-Body car. This is a weld or clamp in downpipe and ends right before the factory resonator.