- For MY 1965 station wagons the system consists of the Y pipe, rear exhaust pipe, muffler, over-axle pipe, transverse rear muffler with tailpipe. For MY's 1966-70 station wagons the system consists of the Y pipe, rear exhaust pipe, muffler, and tailpipe with resonator built in. For MY's 1971-74 station wagons the system consists of the Y pipe, rear exhaust pipe, muffler, connector pipe, resonator and tailpipe.
- For all other body styles this single exhaust system consists of the Y pipe, rear exhaust pipe, muffler, over-axle pipe, and resonator with tailpipe. Y pipe may be NORS.
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This listing covers model years 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, and 1974 Star Chief, Bonneville, Catalina, and Ventura's (MY's 1965-70) stock with the V8 and single exhaust with muffler and resonator. Refer to listing 453229 if you would like to delete the stock resonator. -
This listing covers model years 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, and 1974 Star Chief, Bonneville, and Catalina's stock with a V8 and single exhaust. This is a stock set up for 1965 Catalina w/ 3 spd STD 2 bbl carb, 1971-73 full size with the 350ci, and 1974 full size models. For all other applications this is a resonator eliminator option. If you system was stock with the resonator and you would like to keep it stock, please refer to 453228. Photo depicts the stock single exhaust with the resonator eliminated for 1969-70 Catalina's with the stock 400ci or 428ci and automatic transmission.- Single exhaust system consist of the Y pipe, rear exhaust pipe, muffler, and tailpipe. Y pipe may be NORS.
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This listing is the stock set up for model years 1969 Grand Prix's w/STD trans, 1970, 1971, 1972, 1973, and 1974 Grand Prix's and all full size in 1973 with a 350ci engine. For all other applications (Bonneville, Catalina, Grand Ville & Safari Wagon) this is a resonator eliminator option. For the stock system with 4 mufflers please refer to listing 453231. Photo depicts the stock dual exhaust for 1969 & 1970 Pontiac Catalina's with the stock 400ci V8 (with stock resonators eliminated).- The stock dual exhaust system consists of LS/RS exhaust pipes, LS/RS mufflers, and LS/RS tailpipes. If this is a resonator eliminator option for your stock system, the it will consist of LS/RS exhaust pipes, LS/RS mufflers, LS/RS connector pipes & LS/RS resonator eliminator pipes (as shown in photo).
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This listing covers model years 1971, 1972, 1973, and 1974 Bonneville, Catalina, Grand Ville & Safari Wagon's with the stock V8 and dual exhaust which was stock with mufflers and resonators. For Grand Prix's (which are stock without resonator's) refer to listing 453230. Photo shown is generic and is posted so that you might see the quality of our craftsmanship and the type of bending.- This dual exhaust system consists of LS/RS exhaust pipes, LS/RS mufflers, LS/RS connector pipes, and LS/RS resonators with tailpipe.
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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.
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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.
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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.
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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 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 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 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, 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.