Flowmaster Header-Back Exhaust System 409S - Dual Rear Exit-AmeriCan Thunder - Aggressive Sound - 2-1/2" Tailpipe 10234C and easy use anywhere

and easy use anywhere

Small Block Ford 1984-93

Filler necks are machined

1-1/2 in OD

Ford Fusion 2010-12

Flowmaster Header-Back Exhaust System 409S - Dual Rear Exit-AmeriCan Thunder - Aggressive Sound - 2-1/2" Tailpipe 10234C and easy use anywhereHeader back System 409S Dual Rear Exit American Thunder(R) Aggressive Sound Fits 1968 to 1972 GM A Body with a V 8 engine. For the person who is looking for a complete Header 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. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the