Flowmaster American Thunder Dual Exhaust System - 1998 Ford Mustang, GT/Cobra 4.6L AA0710AG3R55 die-cast aluminum and are finished

die-cast aluminum and are finished off with a show quality high luster polished finish

Edelbrock AVS2 or Performer Series 600-800cfm

1981-1981 Pontiac Firebird

This 1" Phenolic adapter allows the #R4412 2BBL carb to be mounted on 4BBL manifolds having the standard Holley bolt pattern

Great for heavy towing in 454 c

Flowmaster American Thunder Dual Exhaust System - 1998 Ford Mustang, GT/Cobra 4.6L AA0710AG3R55 die-cast aluminum and are finishedFor 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. 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,