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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14
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Description
Racing Dynamics Catted Downpipes (w/ HS) - BMW / F85 / F86 / X5M / X6MOur new Gen2 Racing Dynamics Catted sport downpipes w HS for BMW X5M (f95) and BMW X6M (f96) 20120 21 models with V8 twin turbo S63B44T2 motor. Our Gen2 Downpipes include improvements in flex joint to reduce vibration and allow alignment during installation, O2 sensor bungs for reinstallation of the OE O2 oxygen sensors, and mounting brackets to support the weight. Down pipes by there very nature reduce restrictions of the catalytic converters
Our new Gen2 Racing Dynamics Catted sport downpipes w/HS for BMW X5M (f95) and BMW X6M (f96) 20120-21 models with V8 twin turbo S63B44T2 motor. Our Gen2 Downpipes include improvements in flex joint to reduce vibration and allow alignment during installation, O2 sensor bungs for reinstallation of the OE O2 oxygen sensors, and mounting brackets to support the weight. Down-pipes by there very nature reduce restrictions of the catalytic converters allowing your turbos to breath more efficiently. This reduced restriction allows the turbos to spool up more quickly and provide a more aggressive turbo sound. Most downpipes since they no longer have catalysts will generate check engine lights. Our O2 sensors spacer is a possible solution. This is a complete 4 pipe system.
Features:
- Large 3" diameter TIG welded 304 stainless steel piping throughout for maximum power.
- High temperature heat shield through engine compartment to reduce heat buildup and longer life to engine components
- Direct bolt-on with our Euro 5 200 cpsi sport catalytic converters.
- Straight-through design allows for maximum power and sound. Less back pressure improves turbo response and improves horsepower and torque significantly.
Application List:
- BMW X5M f85 2020-21
- BMW X6M f86 2020-21
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Great socks
Size: Large, Color: (002) Black / Black / Castlerock
These are the only socks I’ll wear when working. They are so soft and comfortable. They are thick and heavy duty, and don’t wear fast. The fit snug and perfect. Good warm with a little compression for being on your feet all day.
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Reviewed in the United States on September 1, 2025
★★★★★ 5
Good boot sock
Size: Large, Color: (001) Black / Black / White
Used these for over a year now. They cover your calf and really don’t move from that spot. Very comfortable.
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Husband won’t wear any other kind
Size: Large, Color: (499) Federal Tan / Federal Tan / Coyote
Husband loves these socks for work. Not overly thick. Breathable. Stay in place.
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Reviewed in the United States on January 22, 2026
★★★★★ 4
Okay But Not Worth The $$$
Size: Large, Color: (390) Marine Od Green / Marine Od Green / Baroque Green
Standard athletic sock. Cheaper ones are available through soooo many sources. UA seems to mean more expensive.
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Reviewed in the United States on January 26, 2026
★★★★★ 5
Soft and perfect fit
Size: Medium, Color: (499) Federal Tan / Federal Tan / Coyote
Perfect fit, comfortable
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Reviewed in the United States on April 9, 2026