Borla XR-1 Low Profile Multicore 2.5-inch Inlet/Outlet Round Racing Muffler - 4-inch Diameter, 16-inch Body, 21-inch Overall Length

XR-1® Multi-Core Racing Muffler. 2.5" Center Inlet/ 2.5" Center Outlet 4" Round x 16" Long Body 21" Overall Length. Compact 4" diameter muffler body is perfect for applications with limited space and can be used on a wide range of vehicles. This muffler is sometimes referred to as a 'Hot Rod' muffler. It features BORLA®'S patented Multi-Core 3 tube design for maximum flow, horsepower, and torque. The Multi-Core portion of XR-1® mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible design for installation flexibility. T-304 Stainless steel will never rust. Natural mill finish can be brushed or polished prior to installation. 100% welded construction for strength. High-temperature continuous-filament fiber (CRF) acoustic material for sound control. Best of all, it's made in the USA. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. XR-1® Multi-Core Muffler Racing Muffler - 2.5" Center Inlet/ 2.5" Center Outlet 4" Round x 16" Long Body 21" Overall Length. Universal Part. Reversible Design.

• Can be used on a wide range of vehicles. Sometimes referred to as a 'Hot Rod' muffler.
• 2.5" Center Inlet/ 2.5" Center Outlet 4" Round x 16" Long Body 21" Overall Length
• Compact 4" diameter muffler body is perfect for applications with limited space
• Universal muffler. Reversible design.
• Multi-Core 3 tube internal design

The Borla XR-1® Multi-Core Racing Muffler is designed for high-performance applications requiring maximum flow and sound control. Featuring a compact 4-inch diameter body, this muffler is ideal for vehicles with limited space, making it a popular choice among hot rod enthusiasts and performance racers. The 2.5-inch center inlet and outlet allow versatile installation options, and its universal design is reversible, providing added flexibility during setup.
Built with Borla’s patented Multi-Core 3-tube internal design, this muffler offers superior airflow compared to straight-tube configurations, translating into increased horsepower and torque. The high-temperature continuous-filament fiber acoustic material reduces noise without sacrificing performance, resulting in a refined sound profile suitable for aggressive driving. Crafted from durable T-304 stainless steel, the XR-1 muffler is resistant to rust and corrosion, ensuring longevity even in demanding conditions.
Its 100% welded construction guarantees strength and reliability, making it a dependable choice for enthusiasts seeking durability and high performance. The natural mill finish provides an excellent surface for brushing or polishing, allowing customization prior to installation. Proudly made in the USA, this muffler exemplifies Borla’s reputation for quality and innovation in exhaust technology. Whether upgrading an existing system or building a custom setup, the XR-1® Multi-Core Racing Muffler offers a perfect blend of performance, durability, and versatility for a wide range of vehicles.

Features:

• Compact 4-inch diameter muffler body suitable for limited space applications

• 2.5-inch center inlet and outlet for versatile installation

• Universal reversible design for installation flexibility

• Borla's patented Multi-Core 3-tube internal structure for maximum flow

• High-temperature continuous-filament fiber acoustic material for effective sound control

• Made from durable T-304 stainless steel resistant to rust and corrosion

• 100% welded construction for added strength and longevity

• Natural mill finish, customizable with brushing or polishing

• Designed and manufactured in the USA, ensuring quality and reliability

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1