SKU: 400115 | UPC: 808422001151
Borla 400115 XR-1 Multi-Core Racing Muffler 3in Center Inlet/Outlet 8.5x5.5in Oval x 34in Body Pre-Runner Trucks
The Borla 400115 XR-1 Multi-Core Racing Muffler delivers the signature Borla Sound of Power for pre-runner trucks and high-horsepower off-road applications. This universal part features a reversible 3-inch center inlet and outlet on a durable 8.5 x 5.5 x 34-inch oval body, providing gains in power, torque, fuel economy, and engine life. Experience intense throttle response and a thrilling exhaust note with every drive.
Key Features
- Patented Multi-Core Design: Increases exhaust flow for maximum power retention in high-horsepower racing setups while maintaining sound control.
- T-304 Stainless Steel Build: All-welded construction with reinforcing ribs resists rust and withstands extreme racing conditions for long-lasting performance.
- Reversible Installation: Center inlet/outlet configuration flips for easy adaptation to various truck exhaust layouts.
- Long Oval Body Shape: 5.5in height x 8.5in width x 34in length (39.25in overall) fits extended truck frames like pre-runners perfectly.
- High-Temp Stainless Wool Packing: Absorbs sound effectively without restricting flow, delivering a deep racing tone.
Product Notes
- Ideal for off-road pre-runner trucks, drag racing, and custom high-HP builds; no embossed logo for clean racing appearance.
- Made in the USA with 100% welded T-304 stainless steel for unmatched strength.
- Ships in protective packaging; weight 19 lbs, box dimensions approx. 42in x 11in x 11in.
Installation Notes
- Professional installation recommended.
- 3in pipe inlet/outlet connects directly to standard exhaust tubing; clamp or weld as needed.
- Reversible design and reinforcing ribs simplify mounting on truck chassis.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Pre-Runner Trucks | Off-Road/Racing |
| Universal | Custom | High-HP Builds | Drag/Desert Racing |
Why Choose Borla?
- Leaders in stainless steel exhaust since pioneering systems for classics like Ferrari and Rolls-Royce.
- Proven in street, off-road, and racing with more wins than any other exhaust brand.
- Engineered for power gains, durability, and that addictive exhaust sound enthusiasts demand.
Frequently Asked Questions
-
Q: What vehicles does the Borla 400115 fit?
A: Universal design suits pre-runner trucks, off-road rigs, and high-HP racing applications; reversible for flexible exhaust routing on extended frames. -
Q: What material is used in this muffler?
A: T-304 stainless steel throughout, with high-temperature stainless wool packing for corrosion resistance and sound management. -
Q: What is the warranty and install process?
A: Backed by Borla's million-mile limited warranty; pro install advised for welding or clamping 3in pipes, typically 1-2 hours on trucks.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed (approx. 42in L x 11in W x 11in H)
- Weight: 19 lbs
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