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Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
Fits 1968-1974 Chevrolet Nova with V8 engine. 2.50 inch Stainless Steel Pipes - Aggressive to moderate sound
Flowmaster American Thunder Crossmember-Back Exhaust System
Does Not Include Header Reducer Cones or Downpipes for Factory Manifolds
Super 44 Series Performance Mufflers for Deep Powerful Sound
Crossmember-Back True Dual 2.50-inch Exhaust System
Includes Hangers and Hardware for Installation
Mandrel-bent 16-gauge Stainless Steel Tubing
Aggressive to Moderate Exterior Exhaust Tone
H-pipe Crossover for Maximum Power
Lifetime Limited Warranty
Fits 1968-1974 Chevrolet Nova with V8 engine.
Flowmaster 68-74 Chevrolet Nova 2.5in. SS American Thunder Crossmember-Back Exhaust System
6874 CHEVY NOVA 25 AMT 409S
SYS 68-74 CHEVY NOVA
For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge 2.50-inch mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series performance mufflers and includes all hangers and hardware necessary for installation. The tailpipes exit in the factory location behind the rear wheels. The exhaust system delivers an aggressive to moderate exterior sound tone with a moderate interior tone and is best suited for the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. Covered by our Lifetime Limited Warranty.
SYS 68-74 CH
