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Flowmaster 1964-1966 Ford Mustang American Thunder Crossmember-Back Exhaust System 17273

Flowmaster 1964-1966 Ford Mustang American Thunder Crossmember-Back Exhaust System 17273
Flowmaster 1964-1966 Ford Mustang American Thunder Crossmember-Back Exhaust System 17273Flowmaster 1964-1966 Ford Mustang American Thunder Crossmember-Back Exhaust System 17273
$1,315.99 ea
NEWARRIVING SOONEstimated Ship Date 08/05/2024 (If Ordered Today)26 Available from HOLLEY PERFORMANCE PRODUCTS as of 07/15/2024
Model: 4004971
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
This American Thunder® crossmember-back exhaust system is custom designed for the 1964-1966 Ford Mustang and is perfect for the person looking for a complete 2.50-inch dual exhaust system with a moderately aggressive exterior tone, and a moderate interior sound. With easy fit in mind, these 16-gauge aluminized steel systems feature all mandrel-bent tubing, an H-pipe to equalize the exhaust pressures and a pair of specially selected 40 Series Delta Flow performance mufflers for a deep powerful sound. The mandrel-bent 2.50-inch tailpipes tuck up out of the way for maximum clearance and the last few feet is all polished stainless steel for a show car look. Like all Flowmaster® systems, benefits include improved throttle response, power, and mileage. Designed for an easy fit, these systems include all necessary parts, hardware and instructions for an easy installation. The system is covered by our 3-year Limited Warranty. Connects to existing header collector reducer cones or manifold downpipes(not included.) If you prefer a full stainless steel system with a Lifetime Limited Warranty, check out exhaust system #817273. Notes: For non GT and hardtop models.
Features:
  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Extra Long Polished Stainless Steel Tips
  • 40 Series Delta Flow Performance Mufflers
  • Over 35+years of Flowmaster Quality
  • Deep Powerful Exhaust Tone
  • H-pipe Crossover Tube
  • Crossmember-back System
Does Not fit GT models or convertibles.
Installation Notes:
Does Not fit GT models or convertibles.

About Flowmaster

Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
17273_instructions.pdf2.64MB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine
Ford Mustang Base 1964 4.3L / 260 / V8
4.7L / 289 / V8
Ford Mustang Base 1965 4.3L / 260 / V8
4.7L / 289 / V8
Ford Mustang Base 1966 4.7L / 289 / V8

Specifications:

2WD/4WD 2WD
California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series American Thunder
Exit Position Dual Out Rear
Heat Shield No
Inlet Diameter (in) 2.5
Material Aluminized Steel
Muffler Part Number 942541
Muffler Quantity 2
Muffler Series 40 Series Delta Flow
Outlet Diameter (in) 2.5
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Single Dual Dual
Sound Level Aggressive / Moderate
System Type Crossmember-back
Tip Diameter (in) 2.5
Tip Quantity 2
Tubing Diameter (in) 2.5
Warranty Time 36 Months

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