Flowmaster 64-67 GM A-BODY 2.5 in. American Thunder SS Exhaust System

This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1964-1967 GM A-body with a V8 engine. These dual exhaust systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit at the rear corners of the car and angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty.

• H-pipe Crossover for Maximum Power and Deep Tone
• Super 40 Series Mufflers for Deep Powerful Sound
• Includes Hangers and Hardware for Installation
• Mandrel-bent 16-gauge Stainless Steel Tubing
• Moderate to Aggressive Exterior Exhaust Tone
• Crossmember-Back True Dual Exhaust System
• Lifetime Limited Warranty

Vehicle Fitment

• 1964-1967 Buick Skylark
• 1964-1967 Buick Special
• 1964-1967 Buick Sportwagon
• 1964-1967 Chevrolet Chevelle
• 1964-1967 Chevrolet El Camino
• 1964-1967 Oldsmobile 442
• 1964-1967 Oldsmobile Cutlass
• 1964-1967 Oldsmobile F85
• 1964-1967 Oldsmobile Vista Cruiser
• 1964-1967 Pontiac GTO
• 1964-1967 Pontiac LeMans
• 1964-1967 Pontiac Tempest
• 1965-1967 Buick Gran Sport
• 1967 Oldsmobile Cutlass Supreme

Please verify exact fitment for your trim and engine before ordering.

🚚 Vendor Direct Shipment: This item is not stocked in our warehouse and ships directly from the manufacturer. Please allow additional handling time before dispatch.

Manufacturer Part Number: 817412

Images are for illustrative purposes only. Actual product may vary.

⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.