Flowmaster American Thunder Exhaust System - Header-Back - 2-1/2" Diameter - Dual Rear Exit - Stainless - Chevy V8 AS0001 Heat Screen features a thermal

Heat Screen features a thermal barrier on one side made of a superior reflective aluminized mylar surface

our own proprietary material

See 4801-1 for a single guide plate

High Performance Series Bolts are rated at 170

1991-2004 GMC Sonoma

Flowmaster American Thunder Exhaust System - Header-Back - 2-1/2" Diameter - Dual Rear Exit - Stainless - Chevy V8 AS0001 Heat Screen features a thermalFits 1968 1974 Chevrolet Nova with V8 engine. Crossmember back True Dual 2. 50 inch Exhaust System Includes Hangers and Hardware for Installation Mandrel bent 16 gauge Stainless Steel Tubing Aggressive to Moderate Exterior Exhaust Tone Does Not Include Header Reducer Cones or Downpipes for Factory Manifolds H pipe Crossover for Maximum Power Lifetime Limited Warranty Product Description: Exhaust System American Thunder Header Back 2 1 2 in Diameter