Flowmaster American Thunder Crossmember-Back Exhaust System 1976-mercury-grand-marquis-esi4706466 535 in Long - 7/16

535 in Long - 7/16 in Cap Screws - Forged Aluminum - Big Block Chevy - Set of 8

Wheel Bearing Kit - Low Drag - Inner and Outer - Air Gap Seal / Spacer - 2 in Pin 5x5 Hubs - Kit

25 in Diameter - 1-1/8 in x 10 Spline - Sprung Hub - Organic - GM - Kit

011 in Undersize - Narrowed - Small Block Chevy - Kit

Flowmaster American Thunder Crossmember-Back Exhaust System 1976-mercury-grand-marquis-esi4706466 535 in Long - 7/16This Crossmember Back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1968 1972 GM A Bodies with a V8 engine. It's a true dual exhaust system featuring all mandrel bent 3. 00 inch aluminized steel tubing with a built in H pipe crossover assembly flowing into a pair of large cased Super 40 Series performance mufflers for maximum power and a deep powerful aggressive exhaust note. The large 3. 00 inch