40 Series Stainless Steel - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound 1997 pontiac firebird UMI’s Race Proven lower a-arms

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

and 1 -inch DOM tubing

high quality AN to NPT Adapters are ideal for the delivery of fuel

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

Viscosity Index 190

40 Series Stainless Steel - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound 1997 pontiac firebird UMI’s Race Proven lower a-armsThe 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.