High-performance muffler with uninterrupted flow design for maximum power.
The Borla XR-1 Series Exhaust Muffler is engineered for high-performance applications, featuring a patented uninterrupted-flow design that enhances exhaust flow efficiency. Constructed from premium T-304 stainless steel, this muffler ensures durability and longevity, making it suitable for both street and track use. The multi-core technology utilized in its design allows it to outperform a straight piece of pipe, providing superior sound and performance.
With a 5-inch diameter case and a single 3-1/2 inch center inlet and outlet, the XR-1 muffler is designed to optimize exhaust scavenging, which contributes to increased power output. The fully welded assembly eliminates crimping, ensuring a robust construction that withstands high temperatures and harsh conditions. Additionally, the muffler is insulated to reduce shell temperature, promoting a cooler driver's compartment during operation.
This semi-universal muffler is easy to install, with an estimated installation time of just one hour. Its round shape and silver bare finish provide a sleek appearance that complements various vehicle styles. The Borla XR-1 Series is a reliable choice for those seeking to enhance their vehicle's exhaust system with a focus on performance and sound quality.
Features
- Features An Uninterrupted Flow Design And Multi-Core Technology
- Each System Is Built From Aircraft Grade High Quality T-304 Stainless Steel, Fully Welded Assembly, No Crimping
- Longer Spike For Scavenging To Generate Maximum Power
- Insulated To Reduce Shell Temperature For Coller Driver's Compartment
Specifications
- Manufacturer: Borla
- Manufacturer Part Number: 40004S
- Shape: Round
- Inlet Position: Center Single
- Inlet Diameter (IN): 3-1/2 Inch
- Outlet Position: Center Single
- Outlet Diameter (IN): 3-1/2 Inch
- Universality: Semi-Universal
- Estimated Install Time (Hours): 1
- Case Diameter (IN): 5 Inch
- Case Length (IN): 8 Inch
- Overall Length (IN): 13 Inch
- Color/ Finish: Silver Bare
- Material: Stainless Steel
- Wall Type: Single Wall
- Includes Tip: Without Tip
- Tip Length (IN): Without Tip
- Tip Diameter (IN): Without Tip
- Tip Finish: Without Tip
- Tip Material: Without Tip
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
Skip to content

