American Thunder Header-Back Exhaust System 1964-1966 Ford Mustang V8

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FLOWMASTERPART NUMBER: 389-817273

American Thunder Header-Back Exhaust System 1964-1966 Ford Mustang V8

Name: American Thunder Header-Back Exhaust System 1964-1966 Ford Mustang V8
Brand: FLOWMASTER
SKU: 389-817273
Price: 1249.95 USD
Availability: InStock

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Ford Mustang V8

American Thunder Header-Back Exhaust System

1964-1966 Ford Mustang V8

2.5" Tubing

2.5" Polished SS Tips

Dual Rear Exit

Super 44 Series Muffler

409S Stainless Steel
Will not fit GT or Convertible models

Flowmaster 817273 Features:

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.

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
Crossmember-Back System

Experience An Exhaust System Tuned for Performance and Tone

If you need an exhaust system that has been dyno tuned to produce maximum performance, look no further than Flowmaster's American Thunder Exhaust Systems. This line, designed for passenger cars, produces a range of systems that offer moderate to aggressive exhaust notes. Available in axle, cat, and header-back configurations, Flowmaster has you covered. To ensure durability and ease of installation, these kits are made from 16-gauge mandrel bent tubing and includes the necessary hangers and hardware.

Part TypeExhaust System

Product LineFlowmaster American Thunder Exhaust Systems for Cars

BrandFLOWMASTER

Package Height15.5

Package Width16.5

Package Length52.5

Weight73.8 PG

Tailpipe Diameter (In.)2.5

Muffler Inlet Inside Diameter2.50 in.

Hangers IncludedYes

Main Piping Diameter2.50 in.

Tail Pipe QuantityDual

Inlet TypeWeld-On

Tip CutSlant

Exhaust Tip Material304 Stainless Steel

Catalytic Converter Quantity0

Exit LocationSplit Rear

Inlet QuantityTwo

Muffler Body Length13 in.

Sound LevelAggressive / Moderate

Muffler Body Material409 Stainless Steel

Exhaust Tip CutAngled

Gasket Or Seal IncludedNo

Exhaust Tip IntercooledNo

Pipe ColorSilver

System FinishNatural

Muffler Quantity2

Muffler Inlet Outside Diameter2.63 in.

Exit QuantityTwo

Tip MaterialStainless steel

Muffler Flanged OutletNo

Tip Quantity2

Exhaust Tip ResonatedNo

Exhaust TypeDual

Catalytic Converter IncludedNo

Heat Shield IncludedNo

Part CategoryPerformance Parts

Hardware IncludedYes

Exhaust Tip WallSingle Wall

Exhaust Tip Quantity2

Exhaust Tip FinishPolished

Exhaust Tip EdgeSlash Cut

Valve IncludedNo

Muffler TypeChambered

Pipe Material409 Stainless Steel

Muffler Body Width9.50 in.

Tail Pipe Tapered OutletNo

Muffler Body ShapeOval

Mounting Bracket IncludedYes

Muffler Outlet Quantity1

Muffler FinishBlack High-Temperature Paint Finish

Inlet Diameter2.50 in.

Clamps IncludedYes

Muffler StyleChambered

Tip Outlet Size2.5 in (63.5 mm)

FinishNatural

Exit StyleDual Out Rear

Muffler Body Height4 in.

Tip IncludedYes

Clamping TypeFlat Band

Muffler Flanged InletNo

Spring Bolt Kit IncludedNo

Muffler Series40 Series Delta Flow

QuantitySold as a kit

Muffler IncludedYes

Exhaust Tip ConnectionWelded

System StyleHeader-back

Tail Pipe Outlet Outside Diameter2.50 in.

Muffler ConfigurationSingle inlet/Single outlet

System MaterialStainless steel

Valve TypeNot Applicable

Tip Edge StyleNon-rolled edge

Tip ShapeRound

Intermediate Pipe Diameter2.5 in (63.5 mm)

Exhaust Tip Diameter2.50 in.

Part FitmentSemi Universal

Vendor Part Number817273

Package Qty1

Package TypeEA

Please click here to download the instructions PDF file

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