Borla XR-1 Multicore 2.5in Inlet 4in Outlet RDX 14in Muffler

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SKU: BOR401383
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About Borla Borla Performance Industries was founded in 1978 and ...Read More

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Sale price$267.99 Regular price$299.99
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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

Product Details

Product Description
Part Numbers
Sizing & Fit

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.

Borla XR-1 Multicore Muffler: Performance and Durability

Experience the ultimate in exhaust performance with the Borla XR-1 Multicore Muffler. Engineered for enthusiasts who demand the best, this muffler combines cutting-edge technology with rugged construction to deliver exceptional sound and power gains. Its compact diameter makes it an ideal choice for vehicles with limited ground clearance, including both classic and modern cars, ensuring a perfect fit without compromising performance.

Key Features and Benefits:

  • Patented Multicore Design: Attenuates sound effectively using advanced acoustic materials without sacrificing horsepower or torque.
  • Premium T-304 Stainless Steel: Crafted from high-quality, durable stainless steel for unmatched longevity and a brilliant, polishable finish.
  • 100% Welded Construction: Ensures maximum strength and integrity, built to withstand the rigors of daily driving and performance use.
  • Compact Size: Ideal for tight installations and vehicles with reduced ground clearance.
  • Made in the USA: Proudly manufactured in the United States, reflecting Borla's commitment to quality and craftsmanship.

The Borla XR-1 Multicore Muffler is more than just an exhaust component; it's an investment in your vehicle's performance and sound. Its innovative design minimizes restrictions, allowing your engine to breathe freely for optimal power output. The high-temperature acoustic material ensures a deep, aggressive tone without excessive drone, providing a refined driving experience. Backed by Borla's reputation for excellence and a comprehensive warranty, this muffler is built to last and perform. Enhance your vehicle's exhaust system with the superior quality and performance only Borla can deliver. Shop the Borla XR-1 Multicore Muffler at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

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.

Borla XR-1 Multicore Muffler: Performance and Durability

Experience the ultimate in exhaust performance with the Borla XR-1 Multicore Muffler. Engineered for enthusiasts who demand the best, this muffler combines cutting-edge technology with rugged construction to deliver exceptional sound and power gains. Its compact diameter makes it an ideal choice for vehicles with limited ground clearance, including both classic and modern cars, ensuring a perfect fit without compromising performance.

Key Features and Benefits:

  • Patented Multicore Design: Attenuates sound effectively using advanced acoustic materials without sacrificing horsepower or torque.
  • Premium T-304 Stainless Steel: Crafted from high-quality, durable stainless steel for unmatched longevity and a brilliant, polishable finish.
  • 100% Welded Construction: Ensures maximum strength and integrity, built to withstand the rigors of daily driving and performance use.
  • Compact Size: Ideal for tight installations and vehicles with reduced ground clearance.
  • Made in the USA: Proudly manufactured in the United States, reflecting Borla's commitment to quality and craftsmanship.

The Borla XR-1 Multicore Muffler is more than just an exhaust component; it's an investment in your vehicle's performance and sound. Its innovative design minimizes restrictions, allowing your engine to breathe freely for optimal power output. The high-temperature acoustic material ensures a deep, aggressive tone without excessive drone, providing a refined driving experience. Backed by Borla's reputation for excellence and a comprehensive warranty, this muffler is built to last and perform. Enhance your vehicle's exhaust system with the superior quality and performance only Borla can deliver. Shop the Borla XR-1 Multicore Muffler at GGCRACING.

Product Details

Product Description

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.

Borla XR-1 Multicore Muffler: Performance and Durability

Experience the ultimate in exhaust performance with the Borla XR-1 Multicore Muffler. Engineered for enthusiasts who demand the best, this muffler combines cutting-edge technology with rugged construction to deliver exceptional sound and power gains. Its compact diameter makes it an ideal choice for vehicles with limited ground clearance, including both classic and modern cars, ensuring a perfect fit without compromising performance.

Key Features and Benefits:

  • Patented Multicore Design: Attenuates sound effectively using advanced acoustic materials without sacrificing horsepower or torque.
  • Premium T-304 Stainless Steel: Crafted from high-quality, durable stainless steel for unmatched longevity and a brilliant, polishable finish.
  • 100% Welded Construction: Ensures maximum strength and integrity, built to withstand the rigors of daily driving and performance use.
  • Compact Size: Ideal for tight installations and vehicles with reduced ground clearance.
  • Made in the USA: Proudly manufactured in the United States, reflecting Borla's commitment to quality and craftsmanship.

The Borla XR-1 Multicore Muffler is more than just an exhaust component; it's an investment in your vehicle's performance and sound. Its innovative design minimizes restrictions, allowing your engine to breathe freely for optimal power output. The high-temperature acoustic material ensures a deep, aggressive tone without excessive drone, providing a refined driving experience. Backed by Borla's reputation for excellence and a comprehensive warranty, this muffler is built to last and perform. Enhance your vehicle's exhaust system with the superior quality and performance only Borla can deliver. Shop the Borla XR-1 Multicore Muffler at GGCRACING.

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