Description

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 aluminized steel tubing with a built-in H-pipe crossover. The pair of specially selected Super 44 Series performance mufflers flows into 2.50-inch mandrel-bent tailpipes 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. All aluminized steel exhaust systems are covered by our 3-year Limited Warranty. If you prefer stainless steel construction, check out optional system# 817281 which is covered by out Lifetime Limited Warranty. 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
  • H-pipe Crossover for Maximum Power and a Deep Tone
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Aggressive to Moderate Exterior Exhaust Tone
  • 3.00-inch Polished 304 Stainless Steel Tips
  • Crossmember-Back True Dual Exhaust System
  • Does Not Include Header Reducer Cones or Downpipes for Factory Manifolds
  • Over 35+ Years of Flowmaster Quality
  • 3-Year Limited Warranty

Specifications

2WD/4WD2WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 Chemical NameNickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter QuantityNot Included
Clamping TypeFlat Band
Clamps IncludedYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip Diameter3
Exhaust Tip EdgeRolled Edge Angle Cut
Exhaust Tip FinishChrome
Exhaust Tip IntercooledNo
Exhaust Tip Length12
Exhaust Tip MaterialStainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exit PositionDual Out Rear
Exit StyleDual Out Rear
FinishNatural
FinishAluminized
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat ShieldNo
Inlet Diameter2.5
Inlet TypeWeld-On
Main Piping Diameter2.50
Main Piping Diameter2-1/2
MaterialAluminized Steel
Mounting Bracket IncludedYes
Muffler (Left) Body Height4
Muffler (Left) Body Length13
Muffler (Left) Body Width9.75
Muffler (Left) TypeChambered
Muffler (Right) Body Height4
Muffler (Right) Body Length13
Muffler (Right) Body Width9.75
Muffler (Right) TypeChambered
Muffler Body Length13
Muffler Body MaterialAluminized Steel
Muffler Body ShapeOval
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter2.5
Muffler Inlet Outside Diameter2.63
Muffler Outlet ConnectionSlip-Fit
Muffler Outlet Quantity1
Muffler Part Number942546
Muffler Quantity2
Muffler SeriesSuper 44 Series
Muffler TypeChambered
Outlet Diameter2.5
Pipe MaterialAluminized Steel
Product TypeExhaust System
Sale CategoryExhaust
Single DualDual
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
System TypeCrossmember-back
Tail Pipe Outlet Outside Diameter2.5
Tail Pipe Quantity2
Tail Pipe Tapered OutletNo
Tip Diameter3
Tip Quantity2
Tip ShapeRound
Tubing Diameter2.5
TypeCrossmember-back
Valve IncludedNo
Valve TypeNot Included

Compatibility

  • 1967 - 1970 Ford Mustang Shelby GT-500 7.0
  • 1967 - 1969 Ford Mustang Base 6.4
  • 1967 - 1968 Ford Mustang Base 4.7
  • 1967 - 1967 Ford Mustang Shelby GT-350 4.7
  • 1968 - 1970 Ford Mustang Base 7.0
  • 1968 - 1970 Ford Mustang Base 5.0
  • 1968 - 1968 Ford Mustang Shelby GT-350 5.0
  • 1968 - 1968 Ford Mustang Shelby GT-500 7.0
  • 1968 - 1968 Ford Mustang Shelby GT-500KR 7.0
  • 1968 - 1968 Ford Mustang Base 7.0
  • 1969 - 1970 Ford Mustang Boss 302 5.0
  • 1969 - 1970 Ford Mustang Base 7.0
  • 1969 - 1970 Ford Mustang Boss 429 7.0
  • 1970 - 1970 Ford Mustang Grande 7.0
  • 1970 - 1970 Ford Mustang Mach 1 7.0
  • 1970 - 1970 Ford Mustang Grande 7.0
  • 1970 - 1970 Ford Mustang Grande 5.0
  • 1970 - 1970 Ford Mustang Mach 1 7.0
  • 1970 - 1970 Ford Mustang Mach 1 5.0

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 aluminized steel tubing with a built-in H-pipe crossover. The pair of specially selected Super 44 Series performance mufflers flows into 2.50-inch mandrel-bent tailpipes 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. All aluminized steel exhaust systems are covered by our 3-year Limited Warranty. If you prefer stainless steel construction, check out optional system# 817281 which is covered by out Lifetime Limited Warranty. 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
  • H-pipe Crossover for Maximum Power and a Deep Tone
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Aggressive to Moderate Exterior Exhaust Tone
  • 3.00-inch Polished 304 Stainless Steel Tips
  • Crossmember-Back True Dual Exhaust System
  • Does Not Include Header Reducer Cones or Downpipes for Factory Manifolds
  • Over 35+ Years of Flowmaster Quality
  • 3-Year Limited Warranty
2WD/4WD2WD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 Chemical NameNickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter QuantityNot Included
Clamping TypeFlat Band
Clamps IncludedYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip Diameter3
Exhaust Tip EdgeRolled Edge Angle Cut
Exhaust Tip FinishChrome
Exhaust Tip IntercooledNo
Exhaust Tip Length12
Exhaust Tip MaterialStainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exit PositionDual Out Rear
Exit StyleDual Out Rear
FinishNatural
FinishAluminized
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat ShieldNo
Inlet Diameter2.5
Inlet TypeWeld-On
Main Piping Diameter2.50
Main Piping Diameter2-1/2
MaterialAluminized Steel
Mounting Bracket IncludedYes
Muffler (Left) Body Height4
Muffler (Left) Body Length13
Muffler (Left) Body Width9.75
Muffler (Left) TypeChambered
Muffler (Right) Body Height4
Muffler (Right) Body Length13
Muffler (Right) Body Width9.75
Muffler (Right) TypeChambered
Muffler Body Length13
Muffler Body MaterialAluminized Steel
Muffler Body ShapeOval
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter2.5
Muffler Inlet Outside Diameter2.63
Muffler Outlet ConnectionSlip-Fit
Muffler Outlet Quantity1
Muffler Part Number942546
Muffler Quantity2
Muffler SeriesSuper 44 Series
Muffler TypeChambered
Outlet Diameter2.5
Pipe MaterialAluminized Steel
Product TypeExhaust System
Sale CategoryExhaust
Single DualDual
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
System TypeCrossmember-back
Tail Pipe Outlet Outside Diameter2.5
Tail Pipe Quantity2
Tail Pipe Tapered OutletNo
Tip Diameter3
Tip Quantity2
Tip ShapeRound
Tubing Diameter2.5
TypeCrossmember-back
Valve IncludedNo
Valve TypeNot Included
  • 1967 - 1970 Ford Mustang Shelby GT-500 7.0
  • 1967 - 1969 Ford Mustang Base 6.4
  • 1967 - 1968 Ford Mustang Base 4.7
  • 1967 - 1967 Ford Mustang Shelby GT-350 4.7
  • 1968 - 1970 Ford Mustang Base 7.0
  • 1968 - 1970 Ford Mustang Base 5.0
  • 1968 - 1968 Ford Mustang Shelby GT-350 5.0
  • 1968 - 1968 Ford Mustang Shelby GT-500 7.0
  • 1968 - 1968 Ford Mustang Shelby GT-500KR 7.0
  • 1968 - 1968 Ford Mustang Base 7.0
  • 1969 - 1970 Ford Mustang Boss 302 5.0
  • 1969 - 1970 Ford Mustang Base 7.0
  • 1969 - 1970 Ford Mustang Boss 429 7.0
  • 1970 - 1970 Ford Mustang Grande 7.0
  • 1970 - 1970 Ford Mustang Mach 1 7.0
  • 1970 - 1970 Ford Mustang Grande 7.0
  • 1970 - 1970 Ford Mustang Grande 5.0
  • 1970 - 1970 Ford Mustang Mach 1 7.0
  • 1970 - 1970 Ford Mustang Mach 1 5.0

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