Flowmaster American Thunder Cat-back Exhaust System 2001 pontiac firebird care must be taken when

care must be taken when suspension droops

The TCA060's heavy-duty construction eliminates trailing arm flex

For all H-D trans including with Evolution engines

L99 - Recommended for modified applications

This is perfect for customers looking to reduce the sound level 2-3 dB(A)

Flowmaster American Thunder Cat-back Exhaust System 2001 pontiac firebird care must be taken whenFor the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat back exhaust system provides. This dual out American Thunder cat back exhaust system is the perfect choice with 3. 00 inch mandrel bent aluminized steel inlet tube flowing into an 80 Series Cross flow performance muffler for a deep powerful sound. The system uses the factory hanger locations for an easy installation and features dual 2.