Description
The Borla Boomer Muffler Thumper Oval is engineered for high performance and aggressive sound, making it an excellent choice for street or track applications. Crafted from aircraft-grade T-304 stainless steel, this muffler features a fully welded construction that ensures durability and longevity. The polished finish and integrated 4-inch side round tip provide a sleek, eye-catching appearance that enhances your vehicle’s aesthetic appeal. Designed to improve exhaust flow with Borla’s patented technology, this muffler delivers a modest boost in horsepower while producing a deep, resonant exhaust note that turns heads.
The Thumper Boomer is equipped with a 2.25-inch center inlet and a 4-inch side round outlet, measuring approximately 14 inches in body length and overall length of 23.5 inches. Its high-temperature continuous-filament fiber (CFF) acoustic material helps control sound levels, ensuring a refined yet aggressive exhaust tone. This universal-fit part is suitable for a variety of vehicles and is easy to install, making it a versatile upgrade for enthusiasts seeking enhanced performance and sound.
Built in the USA, the Borla Boomer Muffler comes with a Million-Mile Warranty, promising quality and reliability. Whether you’re looking to improve your vehicle’s sound profile or seeking a performance boost, this muffler provides a durable, race-proven solution. Its natural mill finish can be polished or brushed to match your preferences, giving you flexibility in customizing your vehicle’s exhaust system. Trust Borla’s reputation for high-quality materials and innovative design to deliver a performance exhaust component that stands out and lasts.
Features:
- Constructed from aircraft-grade T-304 stainless steel for durability and corrosion resistance
- Fully welded for strength and longevity
- Integrated polished 4-inch side round tip enhances appearance
- High-temperature CFF acoustic material for effective sound control
- Designed with a 2.25-inch center inlet and 4-inch side outlet for optimal exhaust flow
- Universal-fit design for easy installation on a variety of vehicles
- Manufactured in the USA with Borla’s patented technology
- Includes a Million-Mile Warranty for peace of mind

























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