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Flowmaster 67-70 Mustang American Thunder THRU VALANCE SS Crossmember-Back Exhaust System

SKU: FLO817281

Sale price  $1,433.26 CAD Regular price  $1,612.43 CAD
Shipping calculated at checkout.

For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge mandrel-bent stainless steel tubing with a built-in H-pipe crossover, a pair of specially selected Super 44 Series mufflers and includes all hangers and hardware necessary for installation. This system fits through the factory rear valance exhaust cutouts and includes a pair of 3.00-inch polished stainless steel tips. The American Thunder systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. If you prefer aluminized steel construction, check out optional system# 17281. Notes: Does Not fit convertibles or cars with staggered shocks. Does Not include header reducer cones or downpipes for factory manifolds.

  • Does Not Include Header Reducers or Downpipes for Factory Manifolds
  • Super 44 Series Performance Mufflers for Deep Powerful Sound
  • Includes Hangers and Hardware for Installation
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Aggressive to Moderate Exterior Exhaust Tone
  • 3.00-inch Polished 304 Stainless Steel Tips
  • Crossmember-Back True Dual Exhaust System
  • H-pipe Crossover for Maximum Power
  • Lifetime Limited Warranty

This Part Fits:

Year Make Model Submodel
1967-1970 Ford Mustang Base
1969-1970 Ford Mustang Boss 302
1969-1970 Ford Mustang Boss 429
1970 Ford Mustang Grande
1970 Ford Mustang Mach 1
1967-1970 Ford Mustang Shelby GT-350
1967-1970 Ford Mustang Shelby GT-500
1968 Ford Mustang Shelby GT-500KR

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