Flowmaster American Thunder Cat-Back Dual Exhaust System - 2008-14 Dodge Challenger SRT8 Starter Solenoid ARP Speed Nuts feature a

ARP Speed Nuts feature a profiled nut face for easy installation

This donut shaped 360 degreee Helmet Support is used in all pro classes

2-hour installation time

Rocker arm studs were designed for use with Perma-Loc adjusters (not for use with OEM-style

Flowmaster American Thunder Cat-Back Dual Exhaust System - 2008-14 Dodge Challenger SRT8 Starter Solenoid ARP Speed Nuts feature aFor the person who is looking for a complete Cat back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. Delivers an aggressive exterior and moderate interior tone and is well suited to the enthusiast owner. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these