Buick Grand National Exhaust System

Magnaflow Performance Series Exhaust System

Magnaflow Performance Series Exhaust system is dyno-tested and proven to make power, performance gain in horsepower and torque. This top-quality system boast great sound and has a smooth and deep tone which testifies that it gives an unparalleled performance. Protected with 100% stainless steel, Magnaflow truly gives your system the absolute defense against dust and corrosion but most importantly it provides long lasting built for your product. When you take performance seriously this system which is located after the catalytic converter truly gives you more when it comes to looks, sounds, and power.

Features and Benefits:

• Gives out a smooth and deep tone with its fully polished mufflers
• Dyno-proven mandrel-bent tubes which boost performance gains in both torque and horsepower
• Made with 100% stainless steel for maximum protection

Specifications:

• Cat-back system
• Dual exit, split rear
• 2.5 in. piping diameter
• Single inlet and outlet muffler configuration
• Moderate sound level
• Dual 2.5 in. polished stainless steel tips
• X-pipe, mounting hardware included
• 4 x 9 x 14 in. muffler

Flowmaster American Thunder Exhaust System

Flowmaster's American Thunder exhaust system is designed with the latest technology to provide better performance. This system offers improved acceleration and passing power as well as increased fuel mileage. Engineered and dyno-tested for each application, the tubes in each kit are mandrel-bent for superior air flow and are made to deliver an aggressive exhaust tone.

Specifications:

• Header-back system
• Dual exit, split rear
• 2.5 in. piping diameter
• Single inlet and outlet muffler configuration
• Moderate sound level
• H-pipe, mounting hardware included

• Mandrel-bent tubing
• Includes all required mounting hardware

Note:

Fits the following 1964-1972 Buick Skylark submodels:

• 1970-1972: 350; 8 Cyl 5.7L;
• 1970-1972: Base; 8 Cyl 7.5L;

• 1970-1972: Custom; 8 Cyl 7.5L;

• 1968-1972: Base; 8 Cyl 5.7L;

• 1968-1972: Custom; 8 Cyl 5.7L;

• 1968-1968: Custom; 8 Cyl 6.6L;

• 1965-1968: Base; 8 Cyl 6.6L;

• 1966-1967: Base; 8 Cyl 5.6L;

• 1964-1967: Base; 8 Cyl 4.9L;

Fits 7 more submodels. (Show all) Show less info

Heartthrob Header Dual Exhaust System

With the ingenuity that was cultured by Heartthrob, they have made the Header Dual Exhaust System to provide great performance sound and quality. This system can also give more horsepower to your vehicle with its mandrel-bent tubing that improves exhaust efficiency and at the same time, lowers the occurrence of unwanted feedbacks. It is made with 16 gauge aluminized steel for proven strength. With the Heartthrob Header Dual Exhaust System your vehicle can turn into a fully-capable performance car.

Features and benefits:

• 16 gauge aluminized steel body construction
• Turbo or welded muffler included
• CNC mandrel-bent tubing increases exhaust efficiency
• Increased pipe diameter for better engine performance
• Easy bolt-on assembly
• Backed with a 1-Year warranty

For off road use - Not legal for use on public roads and highways

Specifications:

• Header-back system
• Dual exit, split rear
• 2.5 in. piping diameter
• Pipes, mounting hardware included
• Muffler not included