Flowmaster 817139 Header-back System 409S - Dual Rear Exit - American Thunder- Moderate/Aggressive
Stainless Steel Exhaust Tips Exit in the Factory Location H-pipe Crossover for Maximum Power and Deep Tone Super 44 Series Mufflers for Deep Powerful Sound Includes Hangers and Hardware for Installation Mandrel-bent 16-gauge Stainless Steel Tubing Moderate to Aggressive Exterior Exhaust Tone Headers-back True Dual Exhaust System Does Not Include Header Reducers Lifetime Limited Warranty
Shipping & Returns
Shipping & Returns








