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Flowmaster 40 Series Chambered Muffler 80430402

Flowmaster 40 Series Chambered Muffler 80430402
Flowmaster 40 Series Chambered Muffler 80430402Flowmaster 40 Series Chambered Muffler 80430402
$195.99 ea
NEWARRIVING SOONEstimated Ship Date 05/28/2025 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/08/2025
Model: 4005256
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
Features:
  • Durable fully welded 409SS stainless steel
  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • Excellent Street/Strip and Off Road application
Universal Muffler - Some adaptation may be required.
Installation Notes:
Universal Muffler - Some adaptation may be required.
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
street_applications.pdf190.94KB

Videos:

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 Bronco Custom 1985 5.8L / 351 / V8
Ford Bronco Custom 1986 5.8L / 351 / V8
Ford Bronco Custom 1987 5.8L / 351 / V8
Ford Bronco Custom 1988 5.8L / 351 / V8
Ford Bronco Custom 1989 5.8L / 351 / V8
Ford Bronco Custom 1990 5.8L / 351 / V8
Ford Bronco Custom 1991 5.8L / 351 / V8
Ford Bronco Eddie Bauer 1985 5.8L / 351 / V8
Ford Bronco Eddie Bauer 1986 5.8L / 351 / V8
Ford Bronco Eddie Bauer 1987 5.8L / 351 / V8
Ford Bronco Eddie Bauer 1988 5.8L / 351 / V8
Ford Bronco Eddie Bauer 1989 5.8L / 351 / V8
Ford Bronco Eddie Bauer 1990 5.8L / 351 / V8
Ford Bronco Eddie Bauer 1991 5.8L / 351 / V8
Ford Bronco XLT 1985 5.8L / 351 / V8
Ford Bronco XLT 1986 5.8L / 351 / V8
Ford Bronco XLT 1987 5.8L / 351 / V8
Ford Bronco XLT 1988 5.8L / 351 / V8
Ford Bronco XLT 1989 5.8L / 351 / V8
Ford Bronco XLT 1990 5.8L / 351 / V8
Ford Bronco XLT 1991 5.8L / 351 / V8
Ford Bronco XL 1990 5.8L / 351 / V8
Ford Bronco XL 1991 5.8L / 351 / V8
Ford F-250 Custom 1988 7.5L / 460 / V8
Ford F-250 Custom 1989 7.5L / 460 / V8
Ford F-250 Custom 1990 7.5L / 460 / V8
Ford F-250 Custom 1991 7.5L / 460 / V8
Ford F-250 Custom 1992 7.5L / 460 / V8
Ford F-250 Eddie Bauer 1995 7.5L / 460 / V8
Ford F-250 Special 1995 7.5L / 460 / V8
Ford F-250 XLT Lariat 1988 7.5L / 460 / V8
Ford F-250 XLT Lariat 1989 7.5L / 460 / V8
Ford F-250 XLT Lariat 1990 7.5L / 460 / V8
Ford F-250 XLT Lariat 1991 7.5L / 460 / V8
Ford F-250 XLT Lariat 1992 7.5L / 460 / V8
Ford F-250 XLT 1993 7.5L / 460 / V8
Ford F-250 XLT 1994 7.5L / 460 / V8
Ford F-250 XLT 1995 7.5L / 460 / V8
Ford F-250 XL 1988 7.5L / 460 / V8
Ford F-250 XL 1989 7.5L / 460 / V8
Ford F-250 XL 1990 7.5L / 460 / V8
Ford F-250 XL 1991 7.5L / 460 / V8
Ford F-250 XL 1992 7.5L / 460 / V8
Ford F-250 XL 1993 7.5L / 460 / V8
Ford F-250 XL 1994 7.5L / 460 / V8
Ford F-250 XL 1995 7.5L / 460 / V8
Ford F-350 Custom 1988 7.5L / 460 / V8
Ford F-350 Custom 1989 7.5L / 460 / V8
Ford F-350 Custom 1990 7.5L / 460 / V8
Ford F-350 Custom 1991 7.5L / 460 / V8
Ford F-350 Custom 1992 7.5L / 460 / V8
Ford F-350 Eddie Bauer 1995 7.5L / 460 / V8
Ford F-350 Special 1995 7.5L / 460 / V8
Ford F-350 XLT Lariat 1988 7.5L / 460 / V8
Ford F-350 XLT Lariat 1989 7.5L / 460 / V8
Ford F-350 XLT Lariat 1990 7.5L / 460 / V8
Ford F-350 XLT Lariat 1991 7.5L / 460 / V8
Ford F-350 XLT Lariat 1992 7.5L / 460 / V8
Ford F-350 XLT 1993 7.5L / 460 / V8
Ford F-350 XLT 1994 7.5L / 460 / V8
Ford F-350 XLT 1995 7.5L / 460 / V8
Ford F-350 XL 1988 7.5L / 460 / V8
Ford F-350 XL 1989 7.5L / 460 / V8
Ford F-350 XL 1990 7.5L / 460 / V8
Ford F-350 XL 1991 7.5L / 460 / V8
Ford F-350 XL 1992 7.5L / 460 / V8
Ford F-350 XL 1993 7.5L / 460 / V8
Ford F-350 XL 1994 7.5L / 460 / V8
Ford F-350 XL 1995 7.5L / 460 / V8

Specifications:

Automotive Item Grade High Performance
Body Height (in) 4
Body Length (in) 13
Body Width (in) 9.75
California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Color Black
Emission Code 5
Finish Paint
Fitment Universal
Inlet Connection Type Pipe Connection
Inlet Diameter (in) 3
Inlet Position Center
Material 409 Stainless Steel
Mount Type Uses New Hangers (Not Included)
Muffler Series Original 40 Series
Muffler Type Chambered
Outlet Connection Type Pipe Connection
Outlet Diameter (in) 2.5
Outlet Position Dual
Overall Length (in) 19, 19
Part Type Exhaust Muffler
Product Type Street Mufflers
Proposition 65 www.P65Warnings.ca.gov
Reversible No
Shape Oval
Sound Level Aggressive Sound
Type of Muffler Chambered
Vehicle Type Classic Muscle Car, Truck/SUV, Street Rod, Late Model Muscle Car, Street/Strip
Warranty Limited Lifetime (Lifetime)

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