SKU: 40347 | UPC: 808422903479
Borla ProXS Muffler 2in Center Inlet/ 2in Center Outlet 4in x 9.5in Oval x 14in Long Body 40347 - Universal
The Borla 40347 ProXS Muffler delivers straight-through performance for custom exhaust systems on vehicles with 2-inch piping. This reversible oval design boosts horsepower and torque while providing the aggressive Borla Sound of Power. Add refined motorsport styling and improved fuel economy to any street or track build.
Key Features
- Reversible Design: Mount inlet and outlet in either direction for maximum installation flexibility on any 2" exhaust setup.
- T-304 Austenitic Stainless Steel: Corrosion-resistant material ensures lifelong durability without rust in harsh conditions.
- 100% Welded Construction: Full welds deliver structural integrity for high-heat, high-pressure performance environments.
- Free Flow Technology: Patented straight-through core reduces backpressure for noticeable gains in power and throttle response.
- CFF Acoustic Material: High-temperature continuous-filament fiber tunes deep, aggressive tone with minimal interior drone.
Product Notes
- Natural mill finish allows brushing or polishing before install for custom appearance.
- Overall length of 19 inches fits tight spaces in most undercarriage configurations.
- Lightweight at 7 lbs for easy handling and reduced vehicle weight.
Installation Notes
- Professional installation recommended.
- Uses standard 2-inch pipe connections; compatible with clamps or welding for secure fit.
- Reversible orientation simplifies routing around chassis components or turbo setups.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | All w/ 2" Piping | Custom Exhaust Builds |
Why Choose Borla?
- Pioneer in stainless steel exhaust since 1978, starting with Ferrari and Rolls-Royce systems.
- Proven increases in power, torque, fuel economy, and engine longevity across applications.
- Precision-engineered for motorsport demands with real-world throttle excitement.
Frequently Asked Questions
-
Q: Will this muffler fit my vehicle?
A: Yes, as a universal part for any vehicle or custom setup with 2-inch inlet/outlet piping; reversible for easy adaptation. -
Q: What material is the Borla 40347 made from?
A: Premium T-304 austenitic stainless steel with 100% welded build for rust-proof strength and heat resistance. -
Q: What warranty covers this muffler?
A: Borla's Million-Mile Limited Warranty protects against defects in materials and workmanship.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective box, 20" x 10" x 5" dimensions
- Weight: 7 lbs
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