Description
The Borla Universal Oval Transverse Muffler (Part Number 40474) is engineered for high performance and durability, making it an ideal choice for custom exhaust systems. Designed with a transverse flow configuration, this muffler was originally developed for GM F-Body Camaros and Firebirds, where it was mounted behind the rear axle with a parallel orientation to the axle. Its versatile design allows for installation on a variety of vehicles, providing both flexibility and enhanced exhaust flow. Constructed from high-quality T-304 austenitic stainless steel, it offers corrosion resistance and long-lasting strength, ensuring a maintenance-free experience. The 100% welded construction guarantees durability, while the free flow design improves exhaust performance and engine efficiency. Its natural mill finish can be easily brushed or polished to match your vehicle’s aesthetic preferences. The muffler features a reversible design, allowing for versatile installation options, with one outlet positioned on the same end as the inlet and the other on the opposite end, facilitating custom routing. This universal part measures approximately 19 inches in length, with an oval body profile of 10.25 inches by 6 inches, and overall length of 24 inches, making it suitable for a wide range of applications. Equipped with high-temperature continuous-filament fiber (CFF) acoustic material, it effectively manages sound levels for a quieter ride without sacrificing performance. Backed by Borla’s Million-Mile warranty, this muffler exemplifies quality and reliability, providing peace of mind for long-term use. Whether upgrading an existing system or designing a custom exhaust setup, the Borla transverse muffler offers a premium solution for enthusiasts seeking performance, durability, and flexibility.
Features:
- Transverse flow design originally for GM F-Body Camaros and Firebirds
- Universal fit with reversible installation for flexibility
- High-grade T-304 stainless steel construction for corrosion resistance
- 100% welded for maximum strength and durability
- Free flow design enhances exhaust performance and engine efficiency
- High-temperature fiber acoustic material for effective sound control
- Natural mill finish, customizable with brushing or polishing
- Includes one inlet and two outlets for versatile routing

























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