Flowmaster Exhaust System II (86-90 Corvette C4)Find parts that fit my vehicle

Performance Exhaust Upgrade. The Flowmaster Force II Cat-Back Exhaust System is engineered to enhance exhaust flow for 1986-1990 Chevrolet Corvettes equipped with the 5.7L engine. It delivers improved throttle response, power, and fuel efficiency while maintaining a mild sound level ideal for daily driving. This system balances performance gains with a refined acoustic profile suited for enthusiasts seeking subtle exterior tone and minimal cabin noise.

Construction and Appearance. Constructed from mandrel-bent 16 gauge aluminized steel tubing, the system ensures durability and optimized exhaust flow. It features specially designed 60 Series Delta Flow mufflers to tame sound while accentuating deep, mellow tones. The finish includes brushed stainless steel quad 2.50-inch tips polished for a sleek, professional appearance that complements the vehicle's rear styling.

Installation. Installation is straightforward with no drilling required, utilizing factory hanger locations and including all necessary hardware and clamps. This design facilitates a secure and precise fitment, minimizing labor time and complexity for installers.

Application. This exhaust system fits Chevrolet Corvette C4 models from 1986 through 1990 equipped with the 5.7L (350) V8 engine. It is compatible with 2WD configurations and connects after the factory catalytic converter, providing a direct fit without modifications.

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