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SKU: 400496 | UPC: 808422004961
Borla ProXS Muffler 2.5in Center Inlet/2.5in Center Outlet 4x9.5in Oval 14in Body 19in Overall 400496
The Borla 400496 ProXS is a universal oval muffler designed for clamp-on installation on most vehicles with 2.5-inch exhaust systems. This reversible muffler with notched necks delivers the signature Borla Sound of Power, increased horsepower and torque, better fuel efficiency, and extended engine life. Install it to experience sharper throttle response and a thrilling exhaust note on street, off-road, or track applications.
Key Features
- Notched Necks: Allows simple clamp-on attachment without cutting or welding for fast, hassle-free setup.
- Reversible Design: Mount inlet/outlet in either direction for maximum installation versatility on custom or stock exhausts.
- T-304 Austenitic Stainless Steel: Corrosion-resistant material ensures lifelong durability in harsh conditions.
- 100% Welded Construction: Provides superior structural integrity to handle high-performance demands.
- Free-Flow Design with CFF Acoustic Core: Enhances exhaust flow for power gains while controlling drone with high-temperature sound packing.
Product Notes
- Natural mill finish allows brushing or polishing before install for custom looks.
- High-flow technology reduces backpressure for noticeable performance improvements.
- Made in the USA with Million-Mile warranty coverage.
Installation Notes
- Professional installation recommended.
- Uses standard U-bolt clamps on 2.5-inch piping; no fabrication needed.
- Position body for optimal ground clearance; reversible for left/right orientation.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Universal | Most 2.5in Exhaust Systems | Clamp-On Custom Fit |
Why Choose Borla?
- Pioneer in stainless steel performance exhaust since 1979 for street and racing.
- Proven designs deliver real-world power, torque, and efficiency gains.
- Engineered with precision mandrel-bent tubing and advanced internals.
Frequently Asked Questions
-
Q: Will this muffler fit my vehicle?
A: Yes, it's a universal clamp-on design for any vehicle with 2.5-inch center inlet/outlet exhaust piping; notched necks ensure easy adaptation. -
Q: What material is used in construction?
A: High-grade T-304 austenitic stainless steel throughout, with full welds and rustproof finish for extreme longevity. -
Q: What warranty applies?
A: Backed by Borla's Million-Mile warranty against defects when installed and maintained properly.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure cardboard box, 21in L x 11in W x 6in H
- Weight: 10 lbs
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