ARP H502 BBC 4 Bolt Main Stud Kit 1983-buick-riviera-xx-anniversary-edition-esi3827108 X-Pipe and Crossover Balance Tube

X-Pipe and Crossover Balance Tube to Equalize and Evenly Distribute Exhaust Pulses

Unique One-Piece High Quality Housing w/ Auxiliary Scoop: The smooth one-piece high quality sealed housing with auxiliary air inlet is used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available

Each muffler is built from premium T-304 stainless steel

sporty sound to your vehicle

Includes 3rd O2 bung: This down pipe includes a 3rd O2 bung and plug for either a wide-band O2 gauge or auxiliary instrumentation

ARP H502 BBC 4 Bolt Main Stud Kit 1983-buick-riviera-xx-anniversary-edition-esi3827108 X-Pipe and Crossover Balance TubeARP H502 BBC 4 Bolt Main Stud Kit