Flowmaster American Thunder Crossmember-Back Exhaust For 70-74 Camaro/Firebird front end PPE OEM Up-Pipes allow 53%

PPE OEM Up-Pipes allow 53% greater flow over stock

Deep Machined Cooling Fins

3 Degree Rear Pinion Angle Shim Kit for 99-18 Chevrolet and GMC 1500 trucks

or with the stock spacers

Steering Correction: Forged Drop Pitman Arm

Flowmaster American Thunder Crossmember-Back Exhaust For 70-74 Camaro/Firebird front end PPE OEM Up-Pipes allow 53%This American Thunder exhaust system comes as a complete true dual crossmember back exhaust for your 1970 1974 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2. 50 inch mandrel bent aluminized steel tubing for maximum performance, includes a built in H pipe balance tube flowing into a pair of Slimline 50 Series Delta Flow mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the