Borla
Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing Application
Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing Application
Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing Application
Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing Application
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Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing ApplicationBorla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing ApplicationBorla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing ApplicationBorla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing Application
Borla

Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler — Universal Racing Application

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SKU: BOR40947

About Borla Borla Performance Industries was founded in 1978 and ...Read more

Price:
$193.99 $216.99
1930 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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About Borla

Borla Performance Industries was founded in 1978 and remains America's premium cat-back exhaust brand. Every Borla system is hand-built from T-304 austenitic stainless steel and backed by a million-mile warranty — the OE choice for Camaro ZL1, Mustang GT350, and Chevy Corvette.

Watch in action

Unleash Track-Ready Performance with Borla XR-1

The Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler is engineered for enthusiasts who demand maximum exhaust flow without compromising on build quality. As the #1 selling racing muffler in the Borla lineup, this unit utilizes patented race-winning technology to provide a lightweight, compact solution for high-performance vehicles.

Key Features and Benefits

  • Patented Flow-Through Design: Minimizes backpressure to unlock hidden horsepower and torque.
  • Premium Construction: Built from high-quality austenitic stainless steel for superior durability under extreme heat.
  • Compact & Lightweight: Optimized for racing applications where every ounce matters.
  • Race-Proven Sound: Delivers a deep, aggressive tone while maintaining a quieter driver compartment compared to standard race mufflers.

Whether you are building a dedicated track car or a high-performance street machine, the XR-1 Sportsman offers the versatility and flow required for competitive setups. Its center/center configuration ensures straightforward installation for various custom exhaust layouts. Experience the legendary engineering that has powered countless record-holders on the track. Upgrade your exhaust system with the reliability of Borla, available now at GGCRACING.

About Borla

Borla Performance Industries was founded in 1978 and remains America's premium cat-back exhaust brand. Every Borla system is hand-built from T-304 austenitic stainless steel and backed by a million-mile warranty — the OE choice for Camaro ZL1, Mustang GT350, and Chevy Corvette.

Watch in action

Unleash Track-Ready Performance with Borla XR-1

The Borla XR-1 Racing Sportsman 4in Inlet/Outlet Center/Center Oval Muffler is engineered for enthusiasts who demand maximum exhaust flow without compromising on build quality. As the #1 selling racing muffler in the Borla lineup, this unit utilizes patented race-winning technology to provide a lightweight, compact solution for high-performance vehicles.

Key Features and Benefits

  • Patented Flow-Through Design: Minimizes backpressure to unlock hidden horsepower and torque.
  • Premium Construction: Built from high-quality austenitic stainless steel for superior durability under extreme heat.
  • Compact & Lightweight: Optimized for racing applications where every ounce matters.
  • Race-Proven Sound: Delivers a deep, aggressive tone while maintaining a quieter driver compartment compared to standard race mufflers.

Whether you are building a dedicated track car or a high-performance street machine, the XR-1 Sportsman offers the versatility and flow required for competitive setups. Its center/center configuration ensures straightforward installation for various custom exhaust layouts. Experience the legendary engineering that has powered countless record-holders on the track. Upgrade your exhaust system with the reliability of Borla, available now at GGCRACING.

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