SKU: 40353 | UPC: 808422403535
Borla 40353 ProXS Muffler 3in Offset Inlet/3in Offset Outlet 4×9.5in Oval 14in Body Universal
Borla 40353 ProXS muffler delivers aggressive exhaust tone and performance gains for custom exhaust builds. This universal oval muffler with 3-inch offset inlet and outlet fits most vehicles with 3-inch piping via reversible design. Gain power, torque, better fuel economy and durable construction for street or track use.
Key Features
- Reversible Design: Mounts from either side for easy adaptation to left- or right-side exhaust routing in custom setups.
- T-304 Stainless Steel: Premium austenitic material resists rust and corrosion for long-lasting performance in all conditions.
- 100% Welded Construction: Ensures structural integrity and leak-free operation under high heat and pressure.
- Free-Flow Design: Reduces backpressure to increase horsepower, torque and throttle response without drone.
- CFF Acoustic Core: High-temperature fiber controls sound for deep Borla tone while maintaining flow efficiency.
Product Notes
- Offset inlet/outlet configuration suits center or side-exit exhaust layouts.
- Natural mill finish allows brushing or polishing before install.
- Ships as unnotched neck for custom fabrication.
Installation Notes
- Professional installation recommended.
- Clamp or weld to 3-inch piping; reversible for flexible routing.
- Compatible with standard exhaust hangers and hardware.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | All | Fits 3″ piping systems |
Why Choose Borla?
- Leaders in stainless steel exhaust since 1978 for street, off-road and racing.
- Builds power and exclusive sound enthusiasts demand.
- Engineered for precision fit and million-mile durability.
Frequently Asked Questions
- Q: Does this muffler fit specific vehicles?
A: Universal design fits any vehicle with 3-inch exhaust piping; ideal for custom or replacement installs on cars, trucks and SUVs. - Q: What material is used and does it rust?
A: T-304 austenitic stainless steel provides rust resistance and withstands extreme temperatures without degradation. - Q: What warranty applies?
A: Borla offers limited lifetime warranty against defects in materials and workmanship.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure Borla box, approximately 20 x 10 x 10 inches
- Weight: 11.2 lbs
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