- System consists of the Y pipe, rear exhaust pipe, front muffler, connector pipe, rear muffler, and tailpipe. Some Y Pipe are NORS only.
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This listing covers model years 1971, 1972, 1973, and 1974 Cadillac Calais, Deville, and Fleetwood 60 with V8 and stock single exhaust. Photo depicts the stock single exhaust for 1973-74 Cadillac Calais' & Deville's.
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AFTERMARKET NOS PARTS FROM WALDRON'S EXHAUST; These are components that we have acquired over the years. The parts were manufactured by Walker, Maremont, International Parts Corp (IPC), Arvin or other exhaust component manufacturers as service replacement parts for OEM components. They will be cleaned to remove any surface corrosion and coated with a corrosion-resistant coating unless you ask us to leave them untreated. This Y pipe fits 1971-73 Ford Mustang / Mercury Cougar with 351ci engine. This part will generally ship within 1 wk.
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This listing covers MY 1970 (with a 429ci) 1970 & 1972 full size Mercury with the stock 429ci and 1974 full size Mercury's with the stock 460ci. Mercury did not offer dual exhaust systems on any full size cars in 1971 or 1973. No aftermarket company ever reproduced the H pipes for these MY's and so we are unable to offer the complete system. If you have an original H pipe and would like to have us use it to reproduce your system, please contact us.
- We can help you out with the LS/RS mufflers, LS/RS front tailpipes, and LS/RS rear tailpipes.
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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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Our mufflers are a double walled shell. The end caps are roll-seamed. The outer wrap is smooth with no exposed welds. The baffles and end caps are a heavy gauge material.
- Waldron's has brought this muffler back to provide a close match to the original sound, enhanced flow rate from the original, while maintaining the OE look and size. The interior design is derived from the OE Pontiac part. Muffler cavities are packed with sound absorbing materials to compensate for the increased sound levels created by the larger interior diameters. The muffler dimensions are; 4.75 inches X 9.75 inches oval cross-section. The case is 22.75 inches in length with an over-all of 27.75 inches.
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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, 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 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 1970, 1971, 1972, 1973, and 1974 Duster's and Valiant's with the stock 340ci or 360ci V8 and dual exhaust. Photo shown is generic and is posted so that you might see the quality of our craftsmanship and the type of bending.
- Dual exhaust consists of the LS/RS exhaust pipes, LS/RS mufflers, and LS/RS tailpipes.
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This listing covers model years 1970, 1972, 1973, and 1974 Fury's that were stock with a dual exhaust. No dual exhaust available for a 318ci or a 360ci V8, stock single exhaust only. Photo depicts the stock dual exhaust for 1973 Plymouth Fury's with the stock 440ci.
- On some models this dual exhaust consists of the LS/RS exhaust pipes, LS/RS mufflers, and LS/RS tailpipes while other models have a LS/RS front exhaust pipe, LS/RS rear exhaust pipe, LS/RS mufflers, and LS/RS tailpipes.
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This listing covers model years 1970, 1971, 1972, 1973, and 1974 Road Runner, Belvedere, and Satellite's with the stock 383ci, 340ci or 400ci V8 & dual exhaust. 1970-74 Plymouth Fury's refer to SKU 438521. This listing excludes 1971-74 models with the 440ci. The OE exhaust pipes for the 440ci were never reproduced in the after-market world. We can help you out with mufflers and tailpipes (only). If you have original exhaust pipe for the 440ci, contact us at 800-503-9428. The 318ci V8 was stock with a single exhaust only. Photo depicts the stock dual exhaust for 1970 Plymouth Belvedere's, Satellite's & Road Runners with the stock 383ci & 4BBl carburetor where customer selected tailpipes to exit for chrome tips.
- Dual exhaust varies between model names, body styles and engines. Some systems consists of the LS/RS front exhaust pipes, LS/RS rear exhaust pipes, LS/RS mufflers, and LS/RS tailpipes while others have LS/RS exhaust pipes, LS/RS mufflers, and LS/RS tailpipes.