40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)

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40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)

$115.26 USD

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Brand : Flowmaster
Flowmaster 40 Series Original Chambered Muffler features a 2.50” center inlet and 2.50” offset outlet.
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40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
View Detail
Type
Mufflers
Title
40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
Price
$115.26 USD
Vendor
Flowmaster
Description
The Flowmaster 40 Series Original Chambered Muffler features a 2.50” center inlet and a 2.50” offset outlet.It is made from 16-gauge aluminized steel.This muffler is designed for muscle cars, street rods, trucks, SUVs, and strip builds.

More about this item : 40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)

The Flowmaster 40 Series Original Chambered Muffler features a 2.50” center inlet and a 2.50” offset outlet.

It is made from 16-gauge aluminized steel.

This muffler is designed for muscle cars, street rods, trucks, SUVs, and strip builds.

40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)
Key Features
  • LEGENDARY SOUND: The original Flowmaster muffler that enthusiasts know and love, famous for its bold, aggressive bark and signature tone
  • TWO-CHAMBERED INTERNAL DESIGN: Flowmaster’s classic two-chambered layout delivers the bold, aggressive exhaust sound known for muscle cars, street rods, trucks, off-road rigs, and custom builds
  • PROVEN PERFORMANCE: Reduces back pressure and enhances airflow to help boost horsepower, torque, and throttle response
  • BUILT TO LAST: Made from 16-gauge aluminized steel and fully MIG-welded to withstand high heat and vibration with no internal packing to blow out or wear down
  • UNIVERSAL FITMENT: Designed for custom and modified exhaust systems, with multiple inlet/outlet sizes and configurations for simplified installation and optimal fit
  • AGGRESSIVE SOUND: Known for its unmistakable attitude and street presence that made Flowmaster a legend
Technical Specifications
  • Length : 10.2 lb
  • Width : 9.7 lb
  • Height : 4.5 lb
  • Weight : 10.31 lb
Product Identifiers
  • ASIN B07H616VF5
  • UPC: 700042038534
Shipping Information
  • Ships From : United States
  • Brand : Flowmaster

Frequently Asked Questions About : 40 Series Flowmaster Original Chambered Muffler – 2.50” Center In / 2.50” Offset Out – Aggressive Sound – 16-Gauge Aluminized Steel – For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds (425403)

01 What is the inlet and outlet size of the Flowmaster 40 Series Muffler?

The Flowmaster 40 Series Muffler has a 2.50” center inlet and a 2.50” offset outlet.

02 What materials are used in the construction of the Flowmaster 40 Series Muffler?

It is made from 16-gauge aluminized steel.

03 What types of vehicles is the Flowmaster 40 Series Muffler designed for?

It is designed for muscle cars, street rods, trucks, SUVs, and strip builds.

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