MMX Performance Rear Underbody Chassis Brace - Mini Cooper S & JCW (F5x; Incl. GP) 2014-2024 / Clubman (F54) 2020-2024
MMX Performance Rear Underbody Chassis Brace - Mini Cooper S & JCW (F5x; Incl. GP) 2014-2024 / Clubman (F54) 2020-2024
MMX Performance Rear Underbody Chassis Brace - Mini Cooper S & JCW (F5x; Incl. GP) 2014-2024 / Clubman (F54) 2020-2024
MMX Performance Rear Underbody Chassis Brace - Mini Cooper S & JCW (F5x; Incl. GP) 2014-2024 / Clubman (F54) 2020-2024
MMX Performance Rear Underbody Chassis Brace - Mini Cooper S & JCW (F5x; Incl. GP) 2014-2024 / Clubman (F54) 2020-2024
MMX Performance Rear Underbody Chassis Brace - Mini Cooper S & JCW (F5x; Incl. GP) 2014-2024 / Clubman (F54) 2020-2024
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MMX Performance Rear Underbody Chassis Brace - Mini Cooper S & JCW (F5x; Incl. GP) 2014-2024 / Clubman (F54) 2020-2024

$212.99
MMR13-1401-R
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MMX Performance Rear Underbody Chassis Brace - Mini Cooper S & JCW (F5x; Incl. GP) 2014-2024 / Clubman (F54) 2020-2024

The MMX Performance F-Series MINI Rear Underbody Chassis Brace replaces the heavy, aesthetically dated steel OE rear brace with a precision-machined billet aluminum upgrade. Engineered to deliver added chassis stiffness, improved dynamic performance, and meaningful exhaust clearance, without compromising ride quality or introducing any additional NVH into the cabin, it's the kind of detail-level upgrade that separates a finished MINI from a stock one.

The F-Series MINI uses three underbody braces to tie the chassis together: a front, a centre, and a rear. While the OE units are functional, they're overweight, visually crude, and (critically for any owner running a larger-diameter aftermarket exhaust system) give insufficient clearance under the centre tunnel. Many owners simply remove the OE braces to gain that clearance, sacrificing chassis stiffness in the process. The MMX braces solve both problems at once: clearance and rigidity, in one upgrade.

Each brace is machined from billet T-6061 aircraft-grade aluminum, then carefully profiled to remove a considerable amount of unnecessary material while preserving rigidity and ultimate strength. The result is a brace that's significantly lighter than the steel OE unit while matching or exceeding its torsional contribution to the chassis. The improvement in dynamic performance comes without any sacrifice in ride quality, and without introducing any additional noise, vibration, or harshness into the cabin, exactly the trade-off serious drivers want.

Finished in a deep gloss black anodized coating, the brace adds a finished, performance-grade appearance to the MINI's underside. Each brace is supplied complete with new installation hardware, uses existing body mounting points (no drilling or trim removal required), and is fully reversible. Available individually or as a complete three-piece set with the matching front and centre braces.

Product Details

  • Direct OE replacement rear underbody chassis brace for F-Series MINI
  • Machined from billet T-6061 aircraft-grade aluminum
  • Provides additional exhaust clearance for larger-diameter aftermarket systems
  • Gloss black anodized finish
  • New installation hardware included
  • SKU: MMR13-1401-R

What's Included

  • One (1) MMX billet rear underbody chassis brace
  • New installation hardware

Vehicle Applications

  • MINI Cooper S / JCW (F55 / F56 / F57)
  • MINI Clubman (F54)

Notes

  • Rear brace only: front and centre braces are sold separately, or available as a complete three-piece set
  • Includes a 1-year manufacturer warranty against defects in materials and workmanship
  • Designed and tested in the United Kingdom
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Due to the recent suspension of the De Minimis Tariff Policy, there may be tariffs applicable to your order if the item ships from outside of the United States. Any tariffs / import duties are strictly the responsibility of the consumer. Returns Policy

Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new. Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.

Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.

Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.

Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.

Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.

Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.

You can simply contact us via email / telephone for a live inventory check

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