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Flowmaster

Flowmaster American Thunder Crossmember-Back Exhaust System

1967-1970 Ford Mustang with V8 engine. Stainless Steel.

Part # 817281 Be the first to write a review
Estimated shipping date: 03/16/2022
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$687.95
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Delta Flow
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.

Features:

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

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

2WD/4WD2WD
Brand Flowmaster
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesSuper 44 Series
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeCrossmember-back
Tip Diameter (in)3
Tip Quantity2
Tubing Diameter (in)2.5
UPC700042024643
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817281
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Fits 1967-1970 Ford Mustang with V8 engine and exits through rear valance exhaust cutouts. Does not fit convertibles or staggered shock models.
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