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This listing covers model years 1970, 1971, 1972, 1973, and 1974 Firebird, Firebird Trans Am, and Firebird Formula's with the V8 and stock single exhaust.

• Single exhaust system consists of the Y pipe, center exhaust pipe, rear exhaust pipe, transverse muffler, front tailpipe, and rear tailpipe.
• For 1970-72 the tailpipe exits on the driver side.
• For 1973-74 the tailpipe exits on the passenger side.

This listing covers model years 1970, 1971, 1972, 1973, and 1974 Firebird, Firebird Trans Am, and Firebird Formula's stock with the V8 (except 455ci Super Duty) and dual exhaust. Photo depicts the  system for 1970-72 Firebirds (Non HO or Ram Air).

• Dual exhaust system consists of LS/RS front exhaust pipes, LS/RS rear (over-axle) exhaust pipes, dual in/dual out transverse muffler, and LS/RS tailpipes. Designed to fit with the stock chrome tips which are not included with the system. 
• The standard engines take a system that starts out at 2"OD on the front exhaust pipes (with 2blt flanges), then increases to 2¼"OD on the rear exhaust pipes, and reduces back to 2"OD on the tailpipes.
• The Ram Air or HO systems are 2¼"OD up to the muffler inlets and then reduces to 2"OD on the tailpipes.
• You will be asked to report with or without RA or HO manifolds along with bolt pattern needed for RA/HO systems in the check out process. There will be an additional cost of $89.00 for the Ram Air / HO systems. If you need the cast iron flanges, you may add them to your order in the check out process. If you already have the need set, you will need to mail them to us in advance (address is shown in the check out form). 

This listing covers model years 1975, 1976, 1977, 1978, 1979, 1980, and 1981 Firebird's with the stock V8 and begins behind the converter.

• Single cat-back system consists of the rear exhaust pipe, transverse muffler, and single tailpipe. If Y pipe and/or converter are needed please contact us for availability and pricing.

 

This listing covers model years 1978-1979 with the stock 403ci or 400ci Special Performance V8's, 1980 301W & 301T High Performance V8's, & 1981's with the stock 301T High Performance Trans Am and Formula's. Excludes 1980-81 Trans Am/Formula's with the stock 305ci which did not come stock with split tips. For that system refer to SKU 453249 Photo depicts the stock single-into-dual exhaust for 1978-79 Pontiac Firebird Trans Am's with the stock 400ci with the stock split chrome tips which may be added to your order. 

• Single to dual cat-back system consists of rear Y pipe, LS/RS mufflers, LS/RS front tailpipe, and LS/RS rear tailpipes designed for you to slip on & weld the split chrome tips.
• You may add a set of the Split Chrome Tips to your order in the checkout process.
• Y pipe may be NORS.

Photo shown is generic and is posted so that you might see the quality of our craftsmanship and the type of bending. 

• Single to dual cat-back exhaust system consists of the rear Y pipe, LS/RS mufflers, LS/RS front tailpipes, and LS/RS rear tailpipes. This application did not come stock with chrome tips.
• If pipes forward of converter and/or converter are needed, please contact us for availability and pricing.