MST Performance
MST Performance MST-FO-MK4017 FORD Focus Mk4 Boost Pipe
MST Performance MST-FO-MK4017 FORD Focus Mk4 Boost Pipe
This is a performance enhancing boost pipe kit for the 2019+ MK4 Ford Focus ST. This boost pipe kit delivers increased air flow over the standard restrictive part. Whether this kit is being installed to a standard vehicle or to a already tuned vehicle, you can be sure of the positive performance gains this will deliver.
- Improved throttle response
- Black powder coated and silicone inlet pipe
- Dyno results: max gains 5-7bhp (this may vary dependant on vehicle)
- Black powdercoated and silicone pipes
- Full fitting kit with easy step by step instructions
- FOCUS
- Focus (Mk4) (2019-2021)
- 2.3 ST
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number (UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
MST-FO-MK4017
Manufactured by
MST Performance

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Price Match Guarantee
We are committed to giving you the best price. if you find a lower price on the same item at an eligible UK retailer website, we will match it.
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Next Day UK Delivery
For in-stock item, get guaranteed next day UK delivery. Same day dispatch available on in-stock items if your order is placed before 1pm UK Time.
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Worldwide Shipping
We ship worldwide via DHL International, simply enter your full address at checkout to see the shipping option(s) and quote(s). Same day dispatch available if your order is placed before 1pm UK Time on all in stock items!
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