Flowmaster American Thunder Single Exhaust System - 1998-2002 Camaro/Firebird 3.8L V6 Digital Level Gauge kit includes 1/8” nylon

Gauge kit includes 1/8” nylon line

Timing Tab for LS Conversion

but COMP Cams titanium retainers will not deform

1999-2013 Ford F-550 Super Duty

1991-2010 Ford Explorer

Flowmaster American Thunder Single Exhaust System - 1998-2002 Camaro/Firebird 3.8L V6 Digital Level Gauge kit includes 1/8” nylonFor the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat back exhaust system provides. D. O. R. (Dual out rear) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and