Borla XR-1 Multi-Core Racing Muffler with 3.5-inch Inlet and Outlet – Stainless Steel Performance Exhaust

XR-1® Multi-Core Racing Muffler. 3.5" Center Inlet/ 3.5" Center Outlet 6.25" Round x 24" Long Body 29" Overall Length. Long body design works well on SUV & truck applications but can be used on a wide range of vehicles including rotary engine equipped vehicles. It features BORLA®'S patented Multi-core 6 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 Racing Muffler Venues Requiring A Muffler - 2.5" Center Inlet/ 2.5" Center Outlet 6.25" Round x 14" Long Body 18.5" Overall Length. Universal Part. Reversible Design. Million Mile Warranty

• 2.5" Center Inlet/ 2.5" Center Outlet 6.25" Round x 14" Long Body 18.5" Overall Length
• Can be used on a wide range of vehicles including rotary engine equipped vehicles
• Long body design works well on SUV & truck applications
• Universal muffler. Reversible design.
• Multi-Core 6 tube internal design

The Borla XR-1® Multi-Core Racing Muffler (Part Number 400024) is engineered for high-performance applications, offering superior flow and durability. Featuring a 3.5-inch center inlet and outlet with a 6.25-inch round body length of 24 inches, this muffler provides an optimal balance of power and sound control. Its long body design makes it ideal for SUV and truck applications but is versatile enough for a wide range of vehicles, including those with rotary engines. The innovative Multi-Core 6-tube internal design enhances exhaust flow significantly more than traditional straight tubing, resulting in increased horsepower and torque for high-performance vehicles. The muffler's reversible design offers installation flexibility, accommodating various exhaust configurations without hassle. Constructed from T-304 stainless steel, it resists rust and corrosion, ensuring longevity and reliable performance over millions of miles. The natural mill finish can be brushed or polished to match your vehicle’s aesthetic preferences. Fully welded for strength and durability, the XR-1 muffler incorporates a high-temperature continuous-filament fiber (CRF) acoustic material to effectively manage noise levels without compromising performance. Made in the USA, Borla’s reputation for quality and innovation is evident in this exhaust component, providing a reliable upgrade for enthusiasts seeking maximum flow, sound, and durability. This model also includes a smaller version with a 2.5-inch inlet and outlet, 6.25-inch round body, and 14-inch length, suitable for a broader range of vehicle types and applications. Backed by a million-mile warranty, the Borla XR-1 Muffler is a high-quality choice for performance-minded drivers who demand excellence from their exhaust system.

Features:

• 3.5-inch center inlet and outlet with a 6.25-inch round body, 24 inches long

• Long body design ideal for SUV and truck applications but adaptable to various vehicles

• Multi-Core 6-tube internal design for maximum exhaust flow, horsepower, and torque

• Reversible design allows flexible installation options

• Constructed from durable T-304 stainless steel for rust resistance and longevity

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

• Made in the USA with full welds for strength and reliability

• Natural mill finish can be brushed or polished for aesthetic customization

• Universal fit suitable for vehicles with 2.5-inch inlet/outlet options

• Backed by a million-mile warranty for peace of mind

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