Dieselr Aluminized 4" Cat Back Exhaust Single | GM 2500/3500 6.6L DURAMAX LB7/LLY/LBZ w/OEM 4 Bolt Flange 2001-2007
Dieselr Aluminized 4" Cat Back Exhaust Single | GM 2500/3500 6.6L DURAMAX LB7/LLY/LBZ w/OEM 4 Bolt Flange 2001-2007 is backordered and will ship as soon as it is back in stock.
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Dieselr Aluminized 4" Cat Back Exhaust Single | GM 2500/3500 6...
Dieselr Aluminized 4" Cat Back Exhaust Single | GM 2500/3500 6.6L DURAMAX LB7/LLY/LBZ w/OEM 4 Bolt Flange 2001-2007 is backordered and will ship as soon as it is back in stock.
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Description
Description
The Dieselr Aluminized 4" Cat Back Exhaust (2001–2007) is engineered for performance-focused diesel platforms equipped with a factory 4-bolt flange connection. Built from 4-inch heavy-gauge aluminized steel, this system enhances exhaust flow, reduces restriction, and provides consistent performance under high-load conditions.
Each Dieselr exhaust is mandrel-bent for precision airflow and TIG-welded for long-term structural strength. The aluminized finish resists corrosion, oxidation, and road wear—ensuring lasting durability and reliability in any environment. Installation is straightforward, with factory-style alignment and hanger points designed for a perfect, rattle-free fit.
Refined through field testing and precision manufacturing, this Dieselr aluminized system delivers strong flow, clean tone, and mechanical dependability built to last.
Key Features
- 4" aluminized steel construction for corrosion protection and strength
- Mandrel bends for smooth, unrestricted exhaust flow
- Precision-welded seams for leak-free longevity
- Factory-style hanger alignment for quick, secure installation
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