Flowmaster American Thunder Cat-back Exhaust System 1971-pontiac-grand-safari-esi9416835 Valve Lock - 10 Degree

Valve Lock - 10 Degree - 3/8 in Valve Stem - Single Groove - Standard Height - Steel - Black Oxide - Set of 16

25 Thread - 14 mm - 12 Point Head - Stainless - Polished - Pair

Shock Fill Tool - 0-160 Psi Range - Monotube - Genesis Shocks - Each

4 in Opening - Weld-On - Aluminum Bung - Aluminum Threaded Cap - Black Anodized - Kit

063 in Thick - Requires 1-3/8 in Spring - 90 Degree Angle - Aluminum - Black Anodized - 1 in OD Tube - Each

Flowmaster American Thunder Cat-back Exhaust System 1971-pontiac-grand-safari-esi9416835 Valve Lock - 10 DegreeFor the person who is looking for a complete cat back dual exhaust system with an aggressive tone. With an easy fit in mind, these systems feature a mandrel bent 2. 50 inch aluminized steel inlet pipes flowing into a pair of Super 44 Series mufflers for maximum performance and a deep powerful sound. The system utilizes the factory exhaust hangers for a quick and easy installation and the large 2. 50 inch mandrel bent tailpipes exit straight out the