Buick Regal Exhaust System

FLOWMASTER FORCE II EXHAUST SYSTEM KIT, ALUMINIZED STEEL -- Dual Side Exit Exhaust System (DOS), Benefits Include Reduced Backpressure For Improved Acceleration And Towing Power, Cooler Underhood Temperatures, A Cleaner And More Efficient Burn In The Combustion Chambers, Better Fuel Economy, Features Mandrel Bent 16 Gauge Aluminized Steel Tubing, Delivers Lesser Interior Resonance, Includes 2.25%X94 Outlet, 80 Series Cross-Flow Muffler, And Hardware, Welding All Slip Connections Recommended, With Manufacturer's Limited 3-Year Warranty

Fits the following 1985-1987 Buick Regal submodels:

• 1985-1987: Grand National; All Engines;
• 1987-1987: GNX; All Engines;

DYNOMAX DUAL PIPE KIT -- Specifically Designed For Dynomax Header Part Number 85121, For Use With Super Turbo Muffler Part Number 17731 Or An Equivalent 2-1/4 in. I.D. Inlet X 2-1/4 in. I.D. Outlet, Single Off Set OEM Muffler, Glasspack Mufflers May Be Used With Slight Modifications, The Legal Use Of This Kit Is Based On The Converter Used, Unless Certified Or Exempted By CARB, Headers Are Not Legal For Sale Or Use In California On 1975 Or Later Model Catalyst-Equipped Vehicles, Except Racing Vehicles Which May Not Be Used Or Operated On A Highway, Pre-Catalyst Vehicles Must Utilize Original Emission Control Devices Which The Customer Should Reinstall, For Racing Use Only And Not Intended Or Applicable For Highway Use In All Other States, Muffler And Muffler U-Clamp Not Included, With Dynomax's Limited Lifetime Warranty

Fits the following 1978-1987 Buick Regal submodels:

• 1978-1978: Base; 8 Cyl 5.0L; "GAS, CARB, VIN U"
• 1978-1978: Limited; 8 Cyl 5.0L; "GAS, CARB, VIN U"

• 1978-1980: Base; 8 Cyl 5.0L; "GAS, CARB, VIN H"

• 1978-1980: Limited; 8 Cyl 5.0L; "GAS, CARB, VIN H"

• 1986-1987: Base; 8 Cyl 5.0L; "GAS, CARB, VIN Y"

• 1986-1987: Limited; 8 Cyl 5.0L; "GAS, CARB, VIN Y"

Fits 4 more submodels. (Show all) Show less info