Buick Gs Exhaust System

MAGNAFLOW STAINLESS STEEL CROSSMEMBER-BACK EXHAUST SYSTEM -- 2.5 in. Tubing O.D. Size, 2.5 in. Tip O.D. Size, Rear Exit Position, Dual System, Includes 4 in. X 9 in. X 14 in. Muffler, Tru-X Crossover Pipe, And Dual Polished Stainless Steel Tips, Made Of 100% Tough And Durable Stainless Steel, Dyno Tested And Proven To Provide Performance Gains In Horsepower And Torque, Delivers Great Sound With A Smooth And Deep Tone, Built To Last, All Welded, Mandrel Bent, Complies With Most State And Federal Laws, Designed And Tested To Meet Legal Sound Level Limits, Easy To Install, With Magnaflow's Limited Lifetime Warranty

Fits the following 1970-1972 Buick GS submodels:

• 1970-1971: Base; 8 Cyl 5.7L; "Gas, CARB, Naturally Aspirated"
• 1972-1972: Base; 8 Cyl 5.7L; "Gas, CARB, Naturally Aspirated, VIN H"

• 1972-1972: Base; 8 Cyl 5.7L; "Gas, CARB, Naturally Aspirated, VIN K"

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MAGNAFLOW STAINLESS STEEL CROSSMEMBER-BACK EXHAUST SYSTEM -- 3 in. Tubing O.D. Size, Rear Side Exit Position, Dual System, Includes 4 in. X 9 in. X 14 in. Muffler And Tru-X Crossover Pipe, Made Of 100% Tough And Durable Stainless Steel, Dyno Tested And Proven To Provide Performance Gains In Horsepower And Torque, Delivers Great Sound With A Smooth And Deep Tone, Built To Last, All Welded, Mandrel Bent, Complies With Most State And Federal Laws, Designed And Tested To Meet Legal Sound Level Limits, Easy To Install, With Magnaflow's Limited Lifetime Warranty

Fits the following 1970-1972 Buick GS submodels:

• 1970-1971: Base; 8 Cyl 5.7L; "Gas, CARB, Naturally Aspirated"
• 1972-1972: Base; 8 Cyl 5.7L; "Gas, CARB, Naturally Aspirated, VIN H"

• 1972-1972: Base; 8 Cyl 5.7L; "Gas, CARB, Naturally Aspirated, VIN K"

Fits 1 more submodels. (Show all) Show less info

FLOWMASTER AMERICAN THUNDER HEADER-BACK EXHAUST SYSTEM, ALUMINIZED STEEL -- 2.5 in. tailpipe diameter; Dual rear exit exhaust system; Two mufflers with single inlet and outlet configuration each; Includes installation hardware, gaskets, H-pipe, and Super 40 Series mufflers; Benefits include reduced backpressure for improved acceleration and towing power, cooler under hood temperatures, cleaner and more efficient burn in the combustion chambers, and better fuel economy; Features mandrel-bent 16-gauge aluminized steel tubing; Delivers lesser interior resonance; Increases horsepower and torque; Welding all slip-fit connections recommended; With Flowmaster's limited 3-year warranty.

Fits the following 1970-1972 Buick GS submodels:

• 1970-1972: Base; 8 Cyl 5.7L; "GAS, CARB"
• 1970-1972: Base; All Engines;

• 1972-1972: Base; 8 Cyl 5.7L; "GAS, CARB, VIN K"

Fits 1 more submodels. (Show all) Show less info

FLOWMASTER AMERICAN THUNDER HEADER-BACK EXHAUST SYSTEM, ALUMINIZED STEEL, MUFFLERS SOLD SEPARATELY -- Tubing Pipes Only, Dual Pipes Out The Rear Exit (DOR), Benefits Include Reduced Backpressure For Improved Acceleration And Towing Power, Cooler Underhood Temperatures, Cleaner And More Efficient Burn In The Combustion Chambers, And Better Fuel Economy, Features Mandrel Bent 16 Gauge Aluminized Steel Tubing, Delivers Lesser Sound Volume, Comes With 2.5" Tubing From Transmission X-Member Back, H-Pipe, And Hardware, Requires You To Purchase 2.5" In/Out-Offset/Offset Mufflers Such As Flowmaster #952548, Welding All Slip-Fit Connections Is Strongly Recommended, With Flowmaster's Limited Warranty

Fits the following 1970-1972 Buick GS submodels:

• 1970-1972: Base; All Engines;