Corsa 8004000 4.0" Sport Diesel Muffler Upgrade for GM Duramax Trucks

Regular price: $570.99
Regular price: ~~$621.99~~
Sale price: $570.99

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Product Specification:

SKU:COR8004000

MPN: 8004000

UPC: 847466005213

Weight: 22.1 lb

Inventory: 4

Type: Muffler

Vehicle Fitment

GM Trucks equipped with 4.0" exhaust systems
Chevy Silverado 2500HD / 3500HD Duramax Diesel
GMC Sierra 2500HD / 3500HD Duramax Diesel
Compatible with 6.2L, 6.5L, and 6.6L diesel platforms
Universal fitment for any vehicle using a 4.0" inlet/outlet muffler

Features

Sport sound level with aggressive exhaust tone
No-drone engineering for comfortable highway cruising
304 stainless steel construction for long-term durability
High-flow internal design improves exhaust efficiency
4.0" center-in, center-out configuration
Resists rust and corrosion in all climates
Cut-and-clamp installation with no welding required
Suitable for factory or aftermarket 4.0" exhaust systems

Specifications

Part Number: 8004000
Inlet Diameter: 4.0"
Outlet Diameter: 4.0"
Material: 304 stainless steel
Case Length: 23.25"
Overall Length: 27.50"
Configuration: Center-in / Center-out
Sound Profile: Sport

Included Components

1x 4.0" stainless steel muffler
2x stainless steel clamps

Product Description

The Corsa 8004000 Sport Diesel Muffler Upgrade is designed for high-performancediesel trucks equipped with 4.0-inch exhaust systems. Built from premium 304stainless steel, this muffler delivers a deeper, more aggressive tone whilemaintaining comfortable interior sound levels. Its straight-through, high-flowdesign improves exhaust efficiency and enhances throttle response for bothstock and modified diesel engines.

This muffler is a popular choice among GM Duramax 2500HD and 3500HD owners, butits universal 4.0" inlet and outlet allow it to fit any truck using a 4.0-inchexhaust configuration. Installation is straightforward thanks to a simplecut-and-clamp design, making it ideal for enthusiasts looking for a noticeablesound upgrade without a full exhaust replacement.

With durable stainless construction and a refined Sport sound profile, theCorsa 8004000 offers a balanced combination of aggressive tone, qualityengineering, and long-term reliability for diesel truck owners.