REDSTAR Performance Valvetronic Exhaust for BMW X5M E70 / X6M E71

Downpipes are not included in this kit. But you can get them with a discount for the combined order. You will get more deep and quiet sound when going with stock catted downpipes and more aggressive and loud with full catless setup.

Build to order. Production time up to 10 days.

Compatible Vehicles:

• 2010-14 BMW X5M E70 4.4 V8 Bi-Turbo
• 2010-14 BMW X6M E71 4.4 V8 Bi-Turbo

Main Features:

• integrated flap valves controlled via OEM M-button
• no back pressure for maximum performance in "OPEN" mode
• loud exotic "straight pipe" sound with crackles and pops in "OPEN" mode
• quieter but aggressive tone in "CLOSED" mode
• 85mm polished stainless quad tips
• optional 85mm Matte Black quad tips
• no need to replace OEM mid-section

Our Advantages:

• 100% bolt-on installation
• 100% hand made in Russia
• 100% TIG welded and back purged
• highest quality 1.6mm wall 304 stainless steell
• OEM-spec flanges
• all brackets and mounts as on OEM unit
• 5 year warranty against any defects given to original owner

Notes:

Removing of factory catalytic converters will trigger a сheck engine light (can be eliminated with optionally O2 sensors restrictors). Firmware update recommended to get maximum performance gains.