Flowmaster American Thunder Dual Exhaust System - 2005-10 Ford Mustang GT/GT500/California Special/Convertible 4.6L/5.4L 11000301 Spread Bore

Spread Bore

Provides side force while protecting body panels

Sport-Comp Elite

This 3/8" Arbor/Pilot from COMP Cams is required for use with Spring Seat Cutters and Guide Cutters

Flowmaster American Thunder Dual Exhaust System - 2005-10 Ford Mustang GT/GT500/California Special/Convertible 4.6L/5.4L 11000301 Spread BoreThis moderate sounding system is designed to replace the original rear mounted mufflers located behind the rear axle. With easy fit in mind, the system is mandrel bent for maximum performance and includes specially selected mufflers to support the performance image of the car. As a Force II system, it delivers a moderate exterior tone with moderate interior sound level that is suited to the enthusiast who wants their performance to be heard. Like all