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3" Inch Stainless Steel Cat Back Exhaust System
Product ID: 3InchExhaust

Details 

This is a GN1Performance "  NEW MODEL 3" Cat Back Dual Exhaust System" for a 1986 or 1987 Buick Grand National, T Type, or Turbo T 3.8 liter turbo V6. This 3 inch exhaust kit comes complete with custom mufflers, mild steel U-Bolt clamps, and hangers which is everything you need to bolt this kit on your car today! This kit is a direct "bolt in" no welding or cutting is needed! The system is constructed out of 304 stainless steel and features a high polish finish.

***This new and improved exhaust system which features relocated bolt on tailpipe hangers that mount to the existing frame holes. The factory slip in style is not used anymore, this kit is easier than ever to install.



 

 This is the baddest Exhaust system on the market for your Grand National and the price is unbeatable!

 

Price: $649.00

4" Inch Single Shot Catback Exhaust System
Product ID: 4InchSingleShotExhaust

Details 

This is our ALL NEW GN1Performance "4" Inch Single Shot Cat Back Exhaust System" for a 1986 or 1987 Buick Grand National, T Type, or Turbo T 3.8 liter turbo V6. This 4 inch exhaust kit comes complete with a custom muffler, clamps, and hangers which is everything you need to bolt this kit on your car today! This kit is a direct "bolt in" no welding or cutting is needed! The system is constructed out of 304 stainless steel and features a high polish finish. The exhaust system is polished stainless and looks beautiful under the car.
Price: $549.00

Exhaust Band Clamp
Product ID: ExhaustBandClamp

Details 

This is a Stainless Steel Flat Exhaust Band Clamp. Available in 2.25" 3" and 4". Please choose from the options box the desired size.
Price: $21.50

Pypes 2.5" Exhuast System
Product ID: ExhaustPypes2.5Inch

Details 

This is a "Pypes 2.5 Inch Cat Back Exhaust System" for a 1986 or 1987 Buick Grand National, T Type, or Turbo T 3.8 liter turbo V6. 

Pypes Exhaust Systems are designed to deliver enhanced performance, provide extra punch in the passing lane and improve gas mileage. Fabricated using the highest quality materials, our smooth, seam-coated, 16 gauge, mandrel-bent, stainless steel pipe ensures maximum exhaust gas flow, which can significantly boost horsepower. The seam-coating treatment of our pipes and mufflers enables them to resist corrosion and extends the life of the system. Our mufflers are precision matched to deliver the ultimate in sound and performance.

Price: $449.00

3 Inch Pitbull Muffler
Product ID: MufflerPB

Details 

This is a GN1Performance "3 INCH Pitbull Muffler" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This muffler is constructed out of 304 stainless steel with 3" inlet and 3" outlet, with a high polished finish for that mirror look. These mufflers look and sound awesome! They do not have the "drone" sound but have a good all around sound.

*only one muffler is included per order if 2 are desired, change the quantity in the check out to 2.

Price: $129.00



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