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SKU: 40351 | UPC: 808422903516
Borla ProXS Muffler 2.25in Offset Inlet/ 2.25in Offset Outlet 4in x 9.5in Oval x 14in Long Body #40351 Universal
The Borla 40351 ProXS muffler is a universal performance part designed for custom exhaust systems on street, off-road, and racing vehicles. This 2.25-inch offset inlet and outlet oval muffler with a 14-inch body length and 19-inch overall length installs easily in tight spaces. It provides noticeable gains in horsepower and torque, sharper throttle response, better fuel efficiency, and the signature Borla aggressive exhaust note.
Key Features
- Reversible Design: Allows flexible inlet/outlet orientation for straightforward adaptation to any custom exhaust layout.
- T-304 Austenitic Stainless Steel: Delivers corrosion resistance and durability that withstands harsh conditions for long-term performance.
- 100% Welded Construction: Ensures structural integrity under high heat and pressure for reliable operation.
- Free-Flow Internal Design: Reduces backpressure to unleash engine power, torque, and efficiency without restriction.
- High-Temperature CFF Acoustic Material: Controls sound levels while maintaining a deep, powerful tone recognized by enthusiasts.
Product Notes
- Universal fit requires custom fabrication or adaptation for specific exhaust routing.
- Natural mill finish accepts brushing or polishing before installation for custom appearance.
- Ships securely to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Reversible design simplifies offset positioning in compact applications.
- Compatible with standard exhaust clamps or welding for secure mounting.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Exhaust | N/A |
Why Choose Borla?
- Leaders in stainless steel exhaust design since pioneering systems for classics like Rolls-Royce and Ferrari.
- Builds systems that increase power, torque, and fuel economy across street and racing applications.
- Engineers every component for precise fit, flow, and the thrill of Borla's power sound.
Frequently Asked Questions
-
Q: Does this muffler fit specific vehicles?
A: Designed as a universal part for custom exhaust builds on various street, off-road, and track cars; measure your system for 2.25-inch piping compatibility. -
Q: What material is used and can it be finished differently?
A: Constructed from T-304 stainless steel for rust resistance; mill finish can be brushed or polished to match your setup. -
Q: What warranty covers this muffler?
A: Backed by Borla's limited lifetime warranty against defects in materials and workmanship.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed, approximately 22in x 10in x 6in
- Weight: 8 lbs
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