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SKU: 40348 | UPC: 808422403481
Borla ProXS Muffler 2.5in Center Inlet/2.5in Dual Outlet 4inx9.5in Oval x19in Long Body 40348 - Universal
The Borla 40348 ProXS muffler delivers aggressive exhaust tone and performance gains for custom builds on cars, trucks, and SUVs. This reversible universal part fits single inlet/dual outlet or dual inlet/single outlet setups with 2.5-inch tubing. Gain power, torque increases, better fuel economy, and durable construction that lasts.
Key Features
- Reversible Design: Installs with center 2.5in inlet/dual 2.5in rear outlets or reversed for dual inlets/single outlet, offering full flexibility in custom exhaust routing.
- T-304 Stainless Steel: Premium austenitic material resists rust and corrosion for lifelong durability in harsh conditions.
- 100% Welded Construction: Full welds provide maximum strength and leak-free performance under high heat and pressure.
- Free Flow Design: Mandrel-bent internals reduce backpressure for measurable horsepower and torque improvements.
- CFF Acoustic Core: High-temperature continuous-filament fiber controls sound levels while maintaining flow and delivering Borla's signature power note.
Product Notes
- Natural mill finish ready for brushing or polishing to match vehicle aesthetics.
- Made in the USA with precision engineering for street and track reliability.
- Overall length 24in; body dimensions 19in L x 4in H x 9.5in W for compact fit.
Installation Notes
- Professional installation recommended.
- Uses slip-fit pipe connections; reversible orientation simplifies routing in tight spaces.
- Compatible with standard exhaust clamps and hangers; no special hardware needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Exhaust | All Vehicles |
Why Choose Borla?
- Leaders in stainless steel exhaust since pioneering systems for Ferrari and Rolls-Royce.
- Delivers power gains, torque, fuel savings, and engine protection in every system.
- Backed by Million-Mile warranty and proven in motorsport victories worldwide.
Frequently Asked Questions
-
Q: Does the Borla 40348 fit specific vehicles?
A: This is a universal muffler designed for custom exhaust applications on most cars, trucks, and SUVs with 2.5-inch piping; reversible for broad compatibility. -
Q: What material and finish does it have?
A: Constructed from T-304 stainless steel with a natural mill finish that can be brushed or polished before install. -
Q: What warranty coverage is included?
A: Complete Million-Mile warranty covers defects in materials and workmanship when installed and maintained properly.
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Durable cardboard box, 25in L x 10in W x 6in H
- Weight: 15 lbs
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