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Dave from GT101 is correct. We at mountune are the European Master Dealer for Roush and can confirm there is currently no calibration for the supercharger on European 2018/19 Mustang GT yet. This is due to the GPF requiring a specific calibration, and the US Mustang does not use a GPF.

Hi Sheps5.0, Presuming you are referring to the 5.0 V8, Roush do specifically list the different exhausts for the 2015-17 compared to 2018-19 Mustangs. Saying that we haven't tried fitting them the "wrong way round" so we can't verify one way or another. An obvious consideration is whether you...

Yes the UK/European 2018+ Mustang GT does have a GPF (but I don't think US cars have one) - and this is the reason for delays with calibration upgrades. In our case as Roush Master Dealer, we do not have a supercharger calibration available for 18-19 cars for this reason.

Hi Lewis, If you or anyone else wants a simpler and possibly more robust tuning option, we at mountune (the official UK Roush Master Dealer and importer) can offer a Roush Performance Pac, either Level 1 or Level 2. Level 1 includes the Roush cold air kit and revised engine calibration. RRP is...

Just to correct you, our M335 calibration is NOT the same as the Cobb calibration. There is no crossover. Our link with Cobb is purely in sourcing the handset, which allows us to deliver the calibration to the car. And our handset has unique firmware which works in a different way to the Cobb...

I realise everyone has their own preference, and there is always scope to go wider or narrower, however RTR themselves recommend 255/35 R 20 on the front and 285/30 R 20 on the rear.

Morning Nige, We suggest front 255/35 R 20 and rear 285/30 R 20. From our experience, Michelin Pilot Sport tyres are superb. Sport 4 S are suited to road use, good in the dry or wet. Sport Cup 2 are better for hard driving and if you're likely to do any track work. They are less good in the...

Funny, you say that Adam... we might just have a slightly newer one tucked away in our car park waiting for some goodies to arrive from the US.

Nige, email sent to you...

As requested.

No problem Gloucesternige. You've got to be happy with the wheels you buy when spending so much. For reference here's a couple of photos showing the front and rear RTR Tech 7 wheels in charcoal grey, fitted to our RTR Mustang. 20x9.5" front, 20x10.5" rear. Please excuse the dirt and "wear n...

If anyone else is interested in RTR wheels, please contact me here or email me [email protected]. You might also find I can offer a little discount if you mention this forum :-)

Yes I gathered thinks changed over at Stoneacre. It all seemed very sudden! It's all quite different now to when you and Trevor were doing it. Shame. PM me when you decide to go for the spoiler and I'll see what we can do for you. ;)

Morning Adam, long time no speak!

Sorry I can't help with the GT350 diffuser, however I can offer you the Roush option which is suitable for quad exhausts. Roush: http://www.mountunestore.com/collections/mustang-5-0-v8/products/roush-mustang-rear-fascia-valance-prepped Alternatively, if you want to go down a similar look to...

Hello Mustang6G members, Just wanted to say hi and introduce myself. mountune are the UK Master Dealer for Roush Performance and the European dealer for RTR Mustang parts. We import and distribute both company's products ranges, and can also offer technical support and product assistance...