- System consists of the rear exhaust pipe, single in/single out transverse muffler, and tailpipe. Rear exhaust pipe may be NORS. If Y pipe and/or converter are needed please contact us for availability and pricing.
-
This listing covers model years 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, and 1987 Grand Prix and Bonneville with the stock V8 and transverse muffler with single tailpipe. -
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 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'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.
-
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. -
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.
-
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.
-
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.
-
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.
-
This listing covers model years 1979 and 1980, Grand Prix's and Bonneville' with the stock V8 gas engine with 2 tailpipes. Photo shown is generic and is posted so that you might see the quality of our craftsmanship and the type of bending.- Single cat-back system consists of the rear exhaust pipe, single in/dual out transverse muffler, and LS/RS tailpipes.
-
This listing covers model years 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1983, 1984, and 1985 Bonneville, Catalina (up to 1981), Parisienne and Grand Prix's with the stock V8 and 1 muffler. Regarding 1982 models; refer to listing 453254 or 453235 for the transverse muffler set up correct to your vehicle. Photo depicts the stock cat-back single exhaust for 1978-79 Pontiac Full Size (except Grand Prix's) with the stock 350R. This customer opted to have the tailpipe cut to reduce the shipping cost. You can see in the photo where it has been joined together.- In these model years the single 1 muffler system is broken down 3 different ways, depending on MY, model name, and engine size. All start behind the converter. Some single cat-back consists of the rear exhaust pipe, muffler, front tailpipe, and rear tailpipe, others consists of the rear exhaust pipe, muffler, and tailpipe, while later years consists of center exhaust pipe, rear exhaust pipe, muffler, and tailpipe.
-
This listing covers model years 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1983, 1984, and 1985 Bonneville, Catalina (up to 1981), Grand Ville, Grand Prix's and Parisienne's with the stock V8 and single exhaust with muffler and resonator. Regarding MY 1976 station wagon's and 1982 (all models & body styles); there were no V8 single exhausts w/2 mufflers. Photo depicts the cat-back system for 1981 Pontiac Bonneville's & Catalina's with the stock 307ci V8- For MY's 1975 & 1977-79 station wagon's this single cat-back consists of the rear exhaust pipe, mufflers, over-axle pipe, resonator, and tailpipe.
- For all other body styles and for 80-85 SW's this single cat-back consists of the rear exhaust pipe, muffler, over-axle pipe, and resonator with tailpipe.