Borla 1986 1981 Chevrolet Corvette C4 Cat Back Exhaust System S Type 1 C4 Corvette Exhaust Order C4 Corvette Headers, Exhaust Systems C4 1985 Corvette Exhaust System Cat Back W Rear Y Pipe W Crossover & Reproduction Mufflers CA 84 85 C4 Corvette Catback Chambered Exhaust with C6 Dual Exhaust Tips C4 Corvette Exhaust Order C4 Corvette Headers, Exhaust Systems. The Perfect Combination For A Balance Of Power While Keeping The Stock Sound You Love. The Rear Y Pipe With Crossover Tube Helps Balance Flow, Reducing Resonance And Back Pressure While Providing More Power And Acceleration. Heavy Gauge Aluminized Steel Pipes Feature OEM Converter Fittings And Welded Heat Shields To Protect Your Corvette's Composite Rear Spring From Heat Damage. Paired With Reproduction Mufflers To Give You The Stock Appearance While Gaining Performance. We are unable to accept returns on any exhaust system or component that shows evidence of being installed. Installation marks, scratches, or any alteration observed on the product will render it ineligible for a return, credit, or refund. Please carefully inspect and consider your exhaust system choice before installation to ensure it meets your needs and expectations. Engineered to Meet or Exceed OEM Specifications OEM Part Number: Mods #8644 Associated Year: 1985 Item Quantity Size: 1 EA Shipping Dimensions (LxWxH): 47in x 14in x 27in Weight: 85 pounds