American Thunder Header-Back Exhaust System Stainless With Dual Tail-Pipes 1964 1/2 - 1966 - Flowmaster

Part #: 21426

Manufacturer Part #: 817273

$999.95
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Exhaust System, American Thunder, Header-Back, 2-1/2 in Diameter, Dual Rear Exit, 2-1/2 in Polished Tips, Steel, Stainless, Small Block Ford, Ford Mustang 1964-66, Kit

SEE IMPORTANT INSTALLATION NOTES BELOW

Flowmaster American Thunder Crossmember-Back Exhaust System

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

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

SPECIFICATIONS:

  • UOM: Kit
  • Product type: Header-back exhaust system
  • 2WD/4WD: 2WD
  • Brand: Flowmaster
  • Exhaust Series: American Thunder
  • Exit Position: Dual Out Rear
  • Heat Shield: No
  • Inlet Diameter (in): 2.5
  • Material: 409 Stainless Steel
  • Muffler Flowmaster Part Number: Kit Only
  • Muffler Quantity: 2
  • Muffler Series: 40 Series Delta Flow
  • Outlet Diameter (in): 2.5
  • Product Type: Exhaust System
  • Single Dual: Dual
  • Sound Level: Aggressive / Moderate
  • System Type: Crossmember-back
  • Tip Diameter (in): 2.5
  • Tip Quantity: 2
  • Tubing Diameter (in): 2.5

FITMENT:

  • 1964 1/2 - 1966 Mustang Coupe & Fastback, V8, Non-staggered Shocks, Non-GT

IMPORTANT INSTALLATION NOTE: WILL NOT FIT CONVERTIBLES OR STAGGERED SHOCKS. MEANT FOR HEADERS. HEADERS/CONNECTOR MANIFOLD PIPES NOT INCLUDED. MAY REQUIRE SOME DRILLING FOR BRACKETRY.

More Information
Year 1964, 1965, 1966
Manufacturer Flowmaster
Truck Freight No
California Prop 65 WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov for more information.
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