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This Borla cat-back exhaust system is built for the verified 2007-2010 BMW 335i Base application listed below. Select it by exact manufacturer part number 140276 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.
Key Features
- T-304 Stainless Steel Construction: Premium material resists corrosion for lifelong durability and features mandrel bends for unrestricted exhaust flow.
- 2.5-inch Tubing Diameter: Straight-through multi-core muffler technology boosts velocity for improved engine breathing and efficiency.
- X-Pipe Design: Optimizes exhaust scavenging to increase power, torque and produce a refined, aggressive exhaust note without drone.
- Polished 3.5-inch T-304 Stainless Tips: Single split rear exit style adds motorsport-inspired styling that complements BMW lines.
- Direct bolt-on replacement; no cutting or welding required for most installations.
- Bolt-on fit using factory hangers and hardware; 1-2 hours typical labor time.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2007-2010 | BMW | 335i | Base |
Specifications
| Manufacturer | Borla |
|---|---|
| Manufacturer Part Number | 140276 |
| Product Type | Catback |
| Fitment Type | Vehicle specific, verify the complete application |
What's Included
One new Borla product identified by manufacturer part number 140276. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.
About Borla
Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.
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Frequently Asked Questions
Will this Borla part fit my 2007-2010 BMW 335i Base?
That application is listed, but confirm the engine, drivetrain, body or cab style, wheelbase, factory exhaust layout, tip opening, and every Borla application note before ordering.
Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.
What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.
Installation Instructions
Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.
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