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Flowmaster

Flowmaster American Thunder Crossmember-Back Exhaust System

Fits 1964-1966 Mustang, 2.50-inch stainless steel system. - Aggressive to moderate sound

Part # 817273 Be the first to write a review

Flowmaster American Thunder Crossmember-Back Exhaust System

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$999.95
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5

Emissions

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.

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This American Thunder® Crossmember-Back exhaust system is designed for all 1964-1966 Ford Mustang hardtop coupes with a V8 engine. The system features a free-flowing 2.50-inch mandrel-bent stainless steel H-pipe flowing into a pair of 40 Series Delta Flow® mufflers for maximum power and that deep iconic sound. The 2.50-inch mandrel-bent stainless tailpipes tuck up high and are finished off with a pair of long 2.50-inch 304 stainless steel tips for that show car look. Includes all necessary parts, hardware and easy to follow instructions and is covered by our Lifetime Limited Warranty. Note: Does Not fit GT models or convertibles.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • 40 Series Delta Flow Performance Mufflers
  • Long Polished Stainless Steel Tips
  • Includes Built-in "H" Balance Pipe
  • Moderate Exterior Exhaust Tone
  • Lifetime Limited Warranty
  • Crossmember-back System
2WD/4WD2WD
Brand Flowmaster
Catalytic Converter QuantityNot Included
Clamping TypeFlat Band
Clamps IncludedYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ConnectionIntegrated w/ Tailpipe
Exhaust Tip CutAngled
Exhaust Tip Diameter2.50
Exhaust Tip EdgeSlash Cut
Exhaust Tip FinishChrome
Exhaust Tip IntercooledNo
Exhaust Tip MaterialStainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exit PositionDual Out Rear
Exit StyleDual Out Rear
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat ShieldNo
Inlet Diameter2.5 IN
Inlet TypeWeld-On
Main Piping Diameter2-1/2 IN
2.50 IN
Material409 Stainless 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 MaterialStainless 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 NumberKit Only
Muffler Quantity2
Muffler Series40 Series Delta Flow
Muffler TypeChambered
Outlet Diameter2.5 IN
Pipe MaterialStainless 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 Diameter2.5 IN
Tip Quantity2
Tubing Diameter2.5 IN
TypeCrossmember-back
Valve IncludedNo
Valve TypeNot Included
UPC700042024605
California Proposition 65 Chemical NameChromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817273
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.
Instructions - fm_warranty_general.pdf
Instructions - 817273_instructions.pdf
Does not fit GT or convertible models.

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    Some parts are not legal for use in California or other states with similar regulations.