Flowmaster 64-72 GM A-BODY 2.5 in. American Thunder Crossmember-Back Exhaust System

This American Thunder® Crossmember-Back exhaust system is custom designed for most 1964-1972 GM A-body cars and is for the person looking for a complete 2.50-inch dual exhaust system with a moderately aggressive exterior tone and a moderate interior sound. With easy fit in mind, these aluminized steel systems feature all mandrel-bent tubing, an H-pipe to equalize the exhaust pressures for maximum performance and deep sound and includes a pair of specially selected Super 40™ mufflers. The mandrel-bent 2.50-inch tailpipes tuck up out of the way for maximum clearance and offer you two choices of tailpipe exit styles. Like all Flowmaster® systems, benefits include improved throttle response, power, and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for an easy installation and is covered by our 3-year Limited Warranty.

• Fits most 1964-1972 GM A-Bodies with V8 engines and aftermarket long tube headers.
• Includes Hangers and Hardware for Easy Installation
• Two Exit Style Choices: Slash Cut or Turndown
• Mandrel-bent 16-Gauge Aluminized Steel Tubing
• Moderate to Aggressive Exterior Exhaust Tone
• Built-in Balance Pipe Equalizes Pressures
• Super 40 Series Performance Mufflers
• Flowmaster Quality & Reliability
• Crossmember-Back System

Vehicle Fitment

• 1964-1972 Buick Skylark
• 1964-1972 Chevrolet Chevelle
• 1964-1972 Chevrolet El Camino
• 1964-1972 Oldsmobile Cutlass
• 1964-1972 Pontiac GTO
• 1964-1972 Pontiac LeMans
• 1965-1967 Buick Gran Sport
• 1965-1971 Oldsmobile 442
• 1968-1969 Buick GS 350
• 1968-1969 Buick GS 400
• 1970-1972 Buick GS
• 1970-1972 Buick GS 455
• 1970-1972 Chevrolet Monte Carlo
• 1971-1972 Oldsmobile Cutlass Supreme

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

Manufacturer Part Number: 17119

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.