Catless Twin Turbo Downpipe Exhaust for 2008-2014 BMW N63 X6/X5 550I 650I 750I B7 N63 B44 4.4L V8
Experience the perfect blend of quality engineering and exceptional value with these high-performance Downpipe Exhaust. 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:
- Pipe Inlet Diameter: 3"
- OD Pipe Outlet Diameter: 2.5"
- OD Pipe Thickness:16 gauge (1.5mm)
- Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends i.e. Maximizing Smoothest Exhaust Airflow
- Includes Both Left and Right Downpipes
- TIG welded CNC Machine Flange for Strength and Durability
- Increase Engine Output and Efficiency. Gain 10 - 15 HPs (approximately)
- O2 Sensor Bung Insertions Included
- Direct Bolt-In Replacement of Catalytic Converter
- Perforated Core Resonator
- Integrated Flex Pipe ( Braided & Accordion Style)
- Professional Installation is Highly Recommended
- No Instruction Included
- 11-13 BMW 550i
- 10-13 BMW 550i GT, xDrive
- 2012 BMW 650i, xDrive
- 09-12 BMW 750i, xDrive
- 09-12 BMW 750Li, xDrive
- 11-12 BMW Alpina B7, xDrive, B7L, B7L xDrive
- 10-13 BMW X5
- 08-14 BMW X6
- Fits 4.4L Turbocharged Engines Only
| VEHICLE NAME | YEAR | ENGINE |
|---|---|---|
| BMW 550i | 2011~2013 | 4.4L |
| BMW 550i GT | 2010~2013 | 4.4L |
| BMW 550i GT xDrive | 2010~2013 | 4.4L |
| BMW 550i xDrive | 2011~2013 | 4.4L |
| BMW 650i | 2012 | 4.4L |
| BMW 650i xDrive | 2012 | 4.4L |
| BMW 750i | 2009~2012 | 4.4L |
| BMW 750i xDrive | 2010~2012 | 4.4L |
| BMW Alpina B7 | 2011~2012 | 4.4L |
| BMW Alpina B7 xDrive | 2011~2012 | 4.4L |
| BMW Alpina B7L | 2011~2012 | 4.4L |
| BMW Alpina B7L xDrive | 2011~2012 | 4.4L |
| BMW X5 | 2010~2013 | 4.4L |
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.