XForce BMW M135i F20/F21 Varex Valved Cat Back Exhaust System

No Smart Box

£1,396.92

XForce BMW M135i F20/F21 Varex Valved Cat Back Exhaust System

£1,396.92

Australian Manufactured

All XForce exhausts are proudly manufactured in Australia and have been for over 25 years

Improved Sound

XForce Exhausts offer a more pronounced and sporty exhaust sound, ranging from a subtle growl to a more aggressive roar

- With popular products we will always aim to hold stock to ensure rapid delivery times across the UK.

- With less commonly ordered products we rely on drop shipping from our suppliers, this can occasionally result in delays in delivery times.

- Where a product is required urgently please contact us first before placing your order so we can check stock and delivery times to ensure no disappointment.

- Once an order is placed we aim to be in touch within 24 hours with either your delivery details or estimated time of delivery for your products.

- Need to return an item? No problem, get in touch and we can explain the next steps.

Items in stock with XForce UK are usually delivered within 2-3 working days. Items that are out of stock with XForceUK can take up to 16 weeks to arrive (dependent on their manufacturing/stock status)

Please contact us ahead of time to confirm the lead time on the items you require to avoid disappointment.

Seen it cheaper elsewhere? Get in touch with where and how much and we'll not only do our best to match it, where possible we aim to beat it!

Got a question about this product? Get in touch via our online chat or email and our team of experts will get back to you as soon as we can with an answer.

This product is compatible with the following models and year ranges:

BMW M135i F20/F21 (2012-2016)

Introducing the revolutionary Xforce Varex cat back exhaust system designed specifically for the BMW F20 M135i. Unleash the true potential of your vehicle with this high-performance exhaust upgrade.

With a seamless bolt-on installation, this system directly connects to the factory downpipe, ensuring a perfect fit. The twin 2.5″ center section provides exceptional ground clearance while optimizing exhaust flow. The flow then converges into a single 3″ pipe, entering the Varex muffler, resulting in an aggressive and throaty exhaust note that commands attention.

Crafted with precision and durability in mind, the Xforce Varex cat back exhaust system is built to withstand the test of time. The system features dual 4″ tip outlets, adding a touch of style and distinction to your BMW F20 M135i.

Experience the exhilaration of improved performance and an unmistakable sound as you accelerate through the gears. Upgrade your BMW F20 M135i with the Xforce Varex cat back exhaust system and make a statement on the road. Upgrade today and take your driving experience to new heights.

OEM size splitting to twin 2.5″ then collecting to 3″ at rear
Slip joint connections
Brushed 304 stainless steel
Varex rear muffler
4″ 304 polished tips

VAREX Smart Box is a control device with patent-pending technology that lets the user manually and automatically adjust the exhaust sound level of the VAREX exhaust. Users can operate and make changes to the settings via an elegantly designed Smartphone App. The connections between the Smart Box and smartphones are via the latest Bluetooth® technology, which provides a intuitive user experience.

Precise manual adjustment of VAREX exhaust valve positions
Custom pre-set of VAREX exhaust valve position
Tune the VAREX exhaust as fine as 1% increments
Automatic control of VAREX exhaust valve positions based on real-time information of RPM, throttle, and speed
Automatic control of VAREX exhaust valve positions based on the real-time GPS location of the vehicle
For select vehicle factory drive mode control can be retained with a suited harness