40 Series Stainless Steel - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound 1997 pontiac firebird high horsepower inline

high horsepower inline

and 1 -inch DOM tubing

but do nothing for performance

Control arm hardware kit RH012 (Includes upper and lower control arm hardware - Highly Recommended) also available

UMI’s Race Proven lower a-arms bring race car handling to your truck

40 Series Stainless Steel - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound 1997 pontiac firebird high horsepower inlineThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.