- 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.
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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. -
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).
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This listing covers model years 1975, 1976, 1977, 1978, 1979, 1980, and 1981 Firebird, Formula, and Trans Am's with the stock V8, transverse muffler, and 2 tailpipes. Photo depicts the cat- back system for a 1980 Firebird.- Single cat-back system consists of the rear exhaust pipe, muffler, and LS/RS tailpipes.
- If Y pipe and/or converter are needed please contact us for availability and pricing.
- If your Formula or Trans Am was stock with the split chrome tips, you may add them to your cart during the check out process.
- MY's 1975-76; We will need to know what tailpipes are needed: 1) without chrome tips 2) with single chrome outlet 3) with dual chrome outlet
- MY 1977 all model; We will need to know with or without chrome tips
- MY 1978-79 with a 403ci & 1979 with a 301W; We will need to know with or without chrome tips. All other engines and 1980-81 models did not have the chrome tip option.
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This listing covers model years 1967, 1968, and 1969 Firebird's with the stock V8 and stock dual exhaust. Photos depicts the exhaust system for MY's 1967-68 Firebirds stock V8 (except 400HO & Ram Air).- Dual exhaust system consists of the LS/RS exhaust pipes, LS/RS resonators, LS/RS connector pipes, dual in/dual out transverse muffler, and LS/RS tailpipes.
- The system for the Non HO or RA engines starts out at 2"OD, increases to 2¼"OD at the connector pipes, then decreases back to 2"OD.
- The system exhaust pipes for HO & RA engines are 2¼"OD flared to 2½"OD at the manifolds, connector pipes are 2¼"OD and then reduces to 2"OD on the tailpipes.
- Regarding HO & RA setups: We are no longer able of offer the stock cast iron flanges. The exhaust pipes will come with universal flanges. If you have the stock cast iron flanges, keep them and reuse them.
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This listing covers model years 1967, 1968, and 1969 Firebird's stock with the V8 and single exhaust. Photo shown is generic and is posted so that you might see the quality of our craftsmanship and the type of bending.- Single exhaust system consists of the Y pipe, rear exhaust pipe, transverse muffler, and tailpipe.
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This cat-back listing covers model years 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, and 1992 Firebird's with either a 4, 6, or 8 cyl engine and stock with 2 tailpipes. Photo depicts the cat-back single exhaust system for 1990-92 Firebirds with the stock 189T or 191ci 6cyl. All parts shown are NORS .- For MY's 1983-84 with a 6 cyl & MY's 1983-86 with a 4 cyl; single cat-back system consists of the rear exhaust pipe, single in/dual out same side transverse muffler, and tailpipes.
- For all 8 cyls & all other MY's for the 6 & 4 cyl; single cat-back system consists of the rear exhaust pipe, single in/dual out opposing sides transverse muffler, and LS/RS tailpipes.
- Some or all parts may be NORS
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This listing covers model years 1967, 1968, and 1969 Firebird's with the OHC 6 cyl engine and 4 bbl carburetor. Photo depicts the system for MY 1968 Firebird with the stock 6 cyl. and 4bbl carb.- Single exhaust system consists of the Y pipe, center exhaust pipe, rear exhaust pipe (over-axle), transverse muffler, and tailpipe.
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This listing covers model years 1967, 1968, and 1969 Firebird's stock with the 6 cyl and 1 bbl carburetor. Photo depicted is correct to the listing.- Single exhaust system consists of the front exhaust pipe, rear exhaust pipe, muffler, and tailpipe.
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This listing covers 1982, 1983, and 1984 Trans Am's with the stock 305H.- Single to dual cat-back system consists of the rear Y pipe, H pipe (sits between), single in/single out LS/RS transverse mufflers, and LS/RS tailpipes. Y pipe and H pipe may be NORS.
- Split chrome tips were not an option on these vehicles.
- If front Y pipe and/or converter are needed, please contact us for pricing and availability.
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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.
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This listing covers model years 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, and 1985 Firebird's with the stock 4 cyl or 6 cyl and with 1 tailpipe.
- Single cat-back system consists of the rear exhaust pipe, muffler, and tailpipe. If pipes forward of cat and/or converter are needed please contact us for availability and pricing.
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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.
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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.
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This listing covers model years 1970, 1971, 1972, 1973, and 1974 Firebird's stock with the 6 cyl. Photo shown is generic and is posted so that you might see the quality of our craftsmanship and the type of bending.
- Single exhaust system consists of a front exhaust pipe, rear exhaust pipe, muffler, front tailpipe, and rear tailpipe.
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This listing covers model years 1967, 1968, 1969, 1970, 1971, 1972, 1973, and 1974 Firebird, Firebird Trans Am, and Firebird Formula's with the stock V8. For model years 1967-69 this listing eliminates both the stock resonators and transverse muffler, for model years 1970-74 this listing eliminates the transverse mufflers and puts mufflers forward of the rear axle. This is not a stock set up and your OEM hangers will not work on this alternative design. For the OE correct system refer to listing 453239. Photos depicts a system for a 1967-68 Pontiac Firebird Alternative Design. Exhaust pipes will vary depending on engine. Report with or without HO or RA in the order form below. If you have a RA or HO set-up and need the cast iron flanges, you may add them to the cart.