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Flowmaster 70 Series Chambered Muffler 70 Series - 2.25 Dual In / 2.25 Dual Out - Mild Sound - 524704

$249.95
SKU:
524704
Weight:
19.30 LBS
Shipping:
Calculated at Checkout

Description

The Flowmaster 70 Series Big Block Muffler is designed to deliver excellent sound control, improved efficiency, and dependable performance for larger vehicles and high-performance street applications. Utilizing Flowmaster’s Delta Flow® technology and an enlarged muffler case, this chambered design helps improve horsepower, torque, and engine efficiency while maintaining a mild to near-stock exterior exhaust tone.

Ideal for trucks, SUVs, RVs, motorhomes, and tow vehicles, the 70 Series Big Block muffler significantly reduces interior resonance, making it a comfortable option for daily driving and long-distance use. Its durable 16-gauge aluminized steel construction and fully MIG-welded design ensure long-lasting reliability under demanding conditions.

Finished with a high-temperature black coating, this muffler is a proven solution for vehicles where space allows and quiet performance is a priority without sacrificing power gains.

Key Features

  • Flowmaster Delta Flow technology for improved exhaust efficiency

  • Enlarged case design for superior sound control

  • Improved horsepower, torque, and engine efficiency

  • Mild to stock exterior exhaust tone

  • Minimal interior resonance

  • Fully MIG-welded construction for durability

  • Built from 16-gauge aluminized steel

  • Designed for trucks, SUVs, RVs, and tow vehicles

  • High-temperature black painted finish

  • Universal performance application

Specifications

  • Brand: Flowmaster

  • Muffler Series: 70 Series Big Block

  • Muffler Type: Chambered

  • Sound Level: Mild

  • Shape: Oval

  • Body Material: Aluminized Steel

  • Finish: High-Temperature Paint

  • Color: Black

  • Body Length: 22.00 in

  • Body Width: 10.00 in

  • Body Height: 5.00 in

  • Overall Length: 28.00 in

  • Inlet Diameter: 2.25 in

  • Inlet Inside Diameter: 2.25 in

  • Inlet Outside Diameter: 2.38 in

  • Inlet Location: Dual

  • Inlet Quantity: 2

  • Inlet Type: Clamp-On

  • Inlet Connection: Slip-Fit

  • Outlet Inside Diameter: 2.25 in

  • Outlet Outside Diameter: 2.38 in

  • Outlet Location: Dual

  • Outlet Quantity: 2

  • Outlet Type: Dual

  • Outlet Connection: Slip-Fit

  • Mount Type: Uses New Hangers (Not Included)

  • Clamps Included: No

  • Hanger Included: No

  • Heat Shield Attached: No

  • Reversible: No

  • Tunable: No

  • Grade Type: Performance

  • Product Type: Street Mufflers

  • Part Type: Exhaust Muffler

  • Category: Exhaust

  • Sub Category: Mufflers

  • Vehicle Type: Classic Muscle Car

  • Universal Or Specific Fit: Universal

  • Fitment: Universal

  • Emission Code: 5

  • California Proposition 65: No

Fitment

  • Universal fit for custom exhaust systems

  • Recommended for trucks, SUVs, RVs, motorhomes, and tow vehicles

  • Suitable for high-performance street vehicles where space allows

  • Designed for dual 2.25 inch inlet and dual 2.25 inch outlet exhaust configurations

  • Requires custom installation

  • New exhaust hangers not included

  • Exhaust clamps not included