Flowmaster American Thunder Cat-back Exhaust System 1994-buick-century-esi3187115 Valve Spring - RAD-9000 -

Valve Spring - RAD-9000 - Dual Spring / Damper - 600 lb/in Spring Rate - 1

The Track Warrior features an aluminum contoured main body design and has screw in air bleeds for precision tuning capabilities

Shock Fill Port - 5/16 in Thread - Screw-In - Steel - Natural - Set of 25

42 Ratio - 30 Spline Pinion - 3 Series - 8

134 in Wall - Steel - Natural - GM F-Body 1967-69 - Kit

Flowmaster American Thunder Cat-back Exhaust System 1994-buick-century-esi3187115 Valve Spring - RAD-9000 -For the person who is looking for an aluminized steel cat back exhaust system with an aggressive exterior tone and moderate interior tone. The American Thunder system is heavy 16 gauge mandrel bent aluminized steel tubing for durability and maximum performance. Includes a Super 40 Series performance muffler for that perfect blend of a deep aggressive exterior sound, with a moderate interior tone that won't drive you out of the cab when having a