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Flowmaster 70 Series Chambered Muffler 52571

Flowmaster 70 Series Chambered Muffler 52571
Flowmaster 70 Series Chambered Muffler 52571
$349.99 ea
NEWARRIVING SOONEstimated Ship Date 05/28/2025 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/08/2025
Model: 4005065
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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The 70 series utilizes Flowmaster's Delta Flow® technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, tow vehicles and high performance street cars where space allows. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Features:
  • Improved Horsepower, Torque and Engine Efficiency
  • Mild to stock exterior exhaust tone
  • Minimal interior resonance
  • Recommended for SUV/trucks/motorhomes/tow vehicles
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

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 F-250 Base 1997 4.6L / 281 / V8
5.4L / 330 / V8
Ford F-250 Base 1998 4.6L / 281 / V8
5.4L / 330 / V8
Ford F-250 Base 1999 5.4L / 330 / V8
Ford F-250 Custom 1987 7.5L / 460 / V8
Ford F-250 Eddie Bauer 1995 7.3L / 445 / V8
Ford F-250 Eddie Bauer 1996 7.3L / 445 / V8
Ford F-250 Lariat 1997 4.6L / 281 / V8
5.4L / 330 / V8
Ford F-250 Lariat 1998 4.6L / 281 / V8
5.4L / 330 / V8
Ford F-250 Lariat 1999 5.4L / 330 / V8
Ford F-250 Special 1995 7.3L / 445 / V8
Ford F-250 Special 1996 7.3L / 445 / V8
Ford F-250 XLT Lariat 1987 7.5L / 460 / V8
Ford F-250 XLT 1994 7.3L / 445 / V8
Ford F-250 XLT 1995 7.3L / 445 / V8
Ford F-250 XLT 1996 7.3L / 445 / V8
Ford F-250 XLT 1997 4.6L / 281 / V8
5.4L / 330 / V8
Ford F-250 XLT 1998 4.6L / 281 / V8
5.4L / 330 / V8
Ford F-250 XLT 1999 5.4L / 330 / V8
Ford F-250 XL 1987 7.5L / 460 / V8
Ford F-250 XL 1994 7.3L / 445 / V8
Ford F-250 XL 1995 7.3L / 445 / V8
Ford F-250 XL 1996 7.3L / 445 / V8
Ford F-250 XL 1997 5.4L / 330 / V8
4.6L / 281 / V8
Ford F-250 XL 1998 5.4L / 330 / V8
4.6L / 281 / V8
Ford F-250 XL 1999 5.4L / 330 / V8
Ford F-350 Eddie Bauer 1995 7.3L / 445 / V8
Ford F-350 Special 1995 7.3L / 445 / V8
Ford F-350 Special 1996 7.3L / 445 / V8
Ford F-350 XLT 1994 7.3L / 445 / V8
Ford F-350 XLT 1995 7.3L / 445 / V8
Ford F-350 XLT 1996 7.3L / 445 / V8
Ford F-350 XL 1994 7.3L / 445 / V8
Ford F-350 XL 1995 7.3L / 445 / V8
Ford F-350 XL 1996 7.3L / 445 / V8

Specifications:

Automotive Item Grade High Performance
Body Height (in) 5
Body Length (in) 22
Body Width (in) 10
California Proposition 65 Required No
Color Black
Emission Code 5
Finish Paint
Fitment Universal
Inlet Connection Type Pipe Connection
Inlet Diameter (in) 2.5
Inlet Position Offset
Material Aluminized Steel
Mount Type Uses New Hangers (Not Included)
Muffler Series 70 Series Big Block
Muffler Type Chambered
Outlet Connection Type Pipe Connection
Outlet Diameter (in) 2.5
Outlet Position Center
Overall Length (in) 28, 28
Part Type Exhaust Muffler
Product Type Street Mufflers
Reversible No
Shape Oval
Sound Level Mild Sound
Type of Muffler Chambered
Vehicle Type Classic Muscle Car, Truck/SUV, Street/Strip
Warranty Time 36 Months

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