Single Turbo Downpipe Exhaust For 2011-2012 BMW 135i E82 E88 E90 E92 N55 B30
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Experience the perfect blend of quality engineering and exceptional value with these high-performance Downpipe. Manufactured from durable T-304 stainless steel with precision CNC-machined flanges and TIG/MIG welded construction, they deliver superior durability and flow characteristics. Computerized mandrel bending technology ensures smooth exhaust airflow for improved scavenging and reduced back pressure.
Features:
- Designed exclusively for the BMW 335i, this high-performance downpipe is precision-engineered from premium T304 stainless steel and expertly TIG welded in-house to ensure superior durability, corrosion resistance, and long-term performance under extreme conditions.
- Constructed with mandrel-bent tubing to maintain a consistent internal diameter, optimizing exhaust gas flow velocity and minimizing turbulence, which results in improved turbocharger efficiency, enhanced power delivery across the entire RPM range, and preserved mid-range torque.
- Features laser-cut flanges ranging from 10 to 12mm in thickness, providing exceptional structural integrity, perfect alignment during installation, and a secure, leak-free seal that enhances both reliability and performance while ensuring OEM-level fitment.
- Replaces the restrictive factory catalytic converter with a UK-fabricated de-catalyzed design that significantly reduces exhaust backpressure and lowers exhaust gas temperatures, allowing for increased cylinder charging, faster turbo spool, and sharper throttle response—transforming driving dynamics into a more immediate and engaging experience.
- Delivers measurable performance gains including noticeable increases in horsepower and torque, accompanied by a deeper, more aggressive exhaust note that amplifies the vehicle’s sporty character without compromising refinement, all while offering substantial weight savings over the stock unit to further improve handling and acceleration.
For BMW 1 Series E82 E88-135i N55 Engine 2011-2012
For BMW 3 Series E90 E91 E92 E93-335i N55 Engine 2011-2012
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| BMW 135i | 2011~2012 | 3.0L |
| BMW 335i | 2011~2012 | 3.0L |
SHIPPING & DELIVERY
Fast Processing & Reliable Transit
- Processing: Orders are processed and shipped from the nearest warehouse within 24 hours.
- Delivery: Estimated delivery time is approximately 4 to 5 business days.
RETURNS & EXCHANGES
30-Day Hassle-Free Policy
- Return Window: We offer a 30-day return policy from the date of delivery.
- Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.
WARRANTY
2-Year Limited Replacement Warranty
- Duration: All products are backed by a 2-year limited warranty.
- Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).
CUSTOMER SUPPORT
We’re Here to Help – Contact Us First
- Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
- Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
- Email Support: You can reach us at support@SAMEXHAUST.com.
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.
