FLOWMASTER part description

Product Description

70 Series™ Big Block II Muffler

Application Summary

Universal Muffler - Not a direct fit. Some adaptation required. Adapters needed for OEM Exhaust.

Features & Benefits

  • Durable Fully Welded 16ga Aluminized Steel
  • 3 Year Limited Warranty
  • Aggressive And Powerful Exterior Exhaust Tone
  • Notable Interior Resonance
  • Excellent Street/Strip And Off Road Application
  • No Internal Packing To Blowout
  • The Original Two Chamber Design
  • Premium Flowmaster Quality
  • Mild to stock exterior exhaust tone
  • Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
  • Improved HP; TQ and Engine Efficiency

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

Chambered; Exhaust; Performance muffler; muffler; flowmaster; race muffler; universal muffler; magnaflow; borla; gibson; stainless exhaust; stainless muffler; tuned muffler; sport muffler; tuner; tuned exhaust; exhaust upgrade; performance upgrade

Product Attributes

Automotive Item Grade High Performance
Body Height 5.000 in.
Body Length 22.000 in.
Body Width 10.000 in.
Color Black
Fitment Universal
Inlet Connection Type Pipe
Inlet Diameter 2.250 in.
Inlet Inside Diameter 2.250 in.
Inlet Outside Diameter 2.250 in.
Inlet Position Dual
Inlet Type Single Center
Main Piping Diameter 2.250 in.
Material Aluminized Steel
Mount Type Uses New Hangers (Not Included)
Muffler Series 70 Series Big Block
Muffler Type Reflection
Outlet Connection Type Pipe
Outlet Diameter 2.500 in.
Outlet Outside Diameter 2.250 in.
Outlet Position Dual
Outlet Type Single Center Outlet
Overall Length 28.000 in.
Shape Oval
Sound Level Mild
Tip Quantity 0
Title Flowmaster 524704 70 Series Muffler - 2.25 Dual In / 2.25 Dual Out - Mild Sound

Additional Information

Country of Origin (Primary) CN
Canadian Harmonizing Tariff Code 8708925000
Harmonized Tariff Code (Schedule B) 8708925000
Harmonized Tariff Code (HTS) 8708925000
MSDS Sheet Number N
NAFTA Preference Criterion Code B
Refurbished Part N
Remanufactured Part N
Stock Status S
Warranty Time 36
Warranty Time UOM MO
UPC 00700042014651

Part Interchanges

A brand under Holley Performance Products, an automotive performance company based in Bowling Green, Kentucky, Flowmaster® provides a broad selection of performance exhaust systems, air intakes, and mufflers. It also offers turbo boost modules, headers, race mufflers, and various exhaust accessories for trucks, off-road, SUVs, Jeeps, powersports vehicles, classic muscle cars, and other late model cars. For more than 30 years, Flowmaster has been delivering only the best automotive exhaust products to the market and living up to its name as “The Exhaust Technology Company.” Today, the company takes its mission statement a notch higher by offering exciting new product categories to enhance its exhaust products portfolio. It aims to be “The Performance Technology Company” automotive enthusiasts can trust.

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