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

Flowmaster 1964-1966 Ford Mustang American Thunder Downpipe Back Exhaust System 17273
Flowmaster 1964-1966 Ford Mustang American Thunder Downpipe Back Exhaust System 17273Flowmaster 1964-1966 Ford Mustang American Thunder Downpipe Back Exhaust System 17273Flowmaster 1964-1966 Ford Mustang American Thunder Downpipe Back Exhaust System 17273
$1,247.99 ea
NEWARRIVING SOONEstimated Ship Date 10/17/2023 (If Ordered Today)34 available from HOLLEY PERFORMANCE PRODUCTS as of 09/25/2023
Model: 4004971
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
Flowmaster's 16 gauge mandrel bent pipe kits are designed to fit perfectly onto your vehicle with all the quality and performance that you would expect from Flowmaster.
Features:
  • Mandrel Bent 16ga Aluminized Tubing
  • Aggressive And Powerful Exterior Exhaust Tone
  • Moderate Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Connects After Factory Catalytic Converter
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality
  • Header-Back System
Holley Performance Emission Code 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
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
FM_Warranty_General.pdf88.58KB
NAFTA_COO-2013.pdf105.94KB
17273.pdf60.71KB
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 Fitment Notes
Ford Mustang Base 1965 4.7L / 289 / V8
3.3L / 200 / L6
2.8L / 170 / L6
Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Ford Mustang Base 1966 4.7L / 289 / V8
3.3L / 200 / L6
Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant
Ford Mustang 1964 4.7L / 289 / V8
4.3L / 260 / V8
3.3L / 200 / L6
2.8L / 170 / L6
Dual; Dual Rear Exit; Incl. 2.5 in. Tubing From Trans X - Member Back/H-Pipe/40 Series(TM) Delta Flow Mufflers/Stainless Steel Tips;50 State Legal / California Emissions Compliant

Specifications:

2WD/4WD 2WD
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Chemical Name 1 Nickel (Metallic)
California Proposition 65 Chemical Name 2 Chromium (hexavalent compounds)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series American Thunder
Exhaust Type Dual
Exit Position Dual Rear
Exit Style Straight
Heat Shield No
Heat Shield Attached No
Inlet Diameter 2.500 in.
Inlet Diameter (in) 2.5
Inlet Inside Diameter N/A
Material Aluminized Steel
Muffler Count 2
Muffler Part Number 942541
Muffler Quantity 2
Muffler Series 40 Series Delta Flow
Outlet Diameter 2.500 in.
Outlet Diameter (in) 2.5
Outlet Outside Diameter 2.500 in.
Part Type Exhaust System Kit
Single Dual Dual
Single or Dual Dual
Sound Level Moderate
System Type Header Back
Tail Pipe Diameter 2.500 in.
Tip Diameter 2.500 in.
Tip Diameter (in) 2.5
Tip Quantity 2
Tubing Diameter 2.500 in.
Tubing Diameter (in) 2.5
WARNING CA Proposition 65 WARNING: Cancer and Reproductive Harm
Warranty Time 36 Months

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Flowmaster 1964-1966 Ford Mustang American Thunder Downpipe Back Exhaust System 17273:
Mustang Depot 2023