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SKU: 140505 | UPC: 808422405058
Borla 140505 Touring Cat-Back Exhaust System for 2006-2011 BMW E90/E91 325i/325xi/328i/328xi
Upgrade your BMW 3-Series with the Borla 140505 Touring Cat-Back Exhaust System, designed for 2006-2011 E90/E91 325i, 325xi, 328i, and 328xi sedans and wagons with 3.0L inline-6 engines. This dual left rear exit system replaces the factory exhaust from the catalytic converter back, delivering noticeable increases in horsepower and torque, better fuel efficiency, and the signature Borla Sound of Power. Enjoy smoother throttle response, extended engine life, and motorsport-inspired styling without excessive noise.
Key Features
- T-304 Stainless Steel Construction: Premium material resists corrosion and ensures long-lasting performance in all conditions, with polished tips for a factory-plus finish.
- Patented Straight-Through Multi-Core Technology: Boosts exhaust velocity for added power, torque, and fuel economy while producing the refined Borla touring tone respected by enthusiasts.
- Mandrel Bent Tubing: 2.250-inch diameter tubing with ultra-smooth bends maximizes flow; inlet 2.250 in., outlet/tailpipe 2.500 in., tips 3.190 in. diameter.
- Precision CNC Manufacturing: Computer-controlled production guarantees perfect fitment and easy bolt-on installation on automatic or manual transmission RWD/AWD models.
- Million-Mile Warranty: Backed by Borla's unmatched coverage, reflecting confidence in quality from the exhaust industry leader.
Product Notes
- Street-legal design with no drone for daily driving; pairs well with stock or upgraded headers.
- Clean the polished tips regularly with mild soap to maintain shine.
- Ships fully assembled; weighs 35 lbs for straightforward handling.
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory hangers; no cutting or welding required, typically 1-2 hours.
- Compatible with OEM catalytic converters and O2 sensors; torque clamps to spec for secure fit.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | BMW | 325i | Sedan (E90) |
| 2006 | BMW | 325xi | Sedan (E90) |
| 2006 | BMW | 325xi | Sports Wagon (E91) |
| 2007-2011 | BMW | 328i | Sedan (E90) |
| 2007-2011 | BMW | 328i | Sports Wagon (E91) |
| 2007-2011 | BMW | 328xi | Sedan (E90) |
| 2007-2011 | BMW | 328xi | Sports Wagon (E91) |
Why Choose Borla?
- Pioneer in stainless steel performance exhaust since 1978, starting with classics like Ferrari and Rolls-Royce.
- Proven gains in power and efficiency on dyno-tested systems for BMW enthusiasts.
- CNC precision and all-welded construction for exact fit and durability under racing conditions.
Frequently Asked Questions
-
Q: Will this fit my 2007 BMW 328i E90 sedan with automatic transmission?
A: Yes, direct bolt-on fit for 2007-2011 E90/E91 328i/328xi sedan and wagon, auto or manual, RWD or AWD, 3.0L engine only. -
Q: What material is used and how do I care for the tips?
A: Full T-304 stainless steel construction; wipe polished 3.190-inch tips with microfiber cloth and non-abrasive cleaner to preserve finish. -
Q: What warranty comes with the 140505?
A: Million-Mile Warranty covers defects in materials and workmanship when installed per instructions.
Shipping & Handling
- Method: Free ground shipping on orders over $99
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed for protection; approx. 44 x 20 x 15 inches
- Weight: 35 lbs
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