Flowmaster American Thunder Exhaust System - Crossmember-Back - 2-1/2" Tailpipe - 2-1/2" Tips - Steel - Aluminized 01225 3/4 in 36 Spline to

3/4 in 36 Spline to 13/16 in 36 Spline

75 in W x 21 in H x 3 in D

When combined with our Quick Button

500'' lift over AFRs previous best 205cc runner

1990-1991 GMC R1500 Suburban

Flowmaster American Thunder Exhaust System - Crossmember-Back - 2-1/2" Tailpipe - 2-1/2" Tips - Steel - Aluminized 01225 3/4 in 36 Spline toDue to possible differences in the frame design during these years, modification of the muffler frame hangers may be needed. Super 40 Series Mufflers for Deep Powerful Sound Includes Large Polished Stainless Steel Oval Tips Mandrel bent 16 gauge Aluminized Steel Tubing Includes Hangers and Hardware for Installation Moderate to Aggressive Exterior Exhaust Tone Crossmember back True Dual Exhaust System Does Not Include Header Reducers or Downpipes for