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1977-1981 Pontiac Firebird 305 CID
1x Return Fuel Line B (5/16" Diameter)
1989-1990 Chevrolet R1500 Suburban 350 CID
2x Brass Union for Front to Rear Right Lines A+B and B+C
1965-1966 Chevrolet Chevelle Exhaust Flowmaster Stainless Steel exhaust-repairs-patches 1977-1981 Pontiac Firebird 305 CIDOverview: The American Thunder Crossmember Back exhaust system is a true dual large 3. 00 inch muscle car system for the person who is looking for a deep aggressive sound for their high horsepower vehicle. This stainless steel system is mandrel bent for maximum performance, includes an H pipe crossover to balance out the exhaust pressures, add hp and torque, and to help eliminate back rap on deceleration. The specially selected Super 40 Series
