We Turned Up The Boost – FOCUS RS!

The RS gets boosted, and is now ready to battle SuperGramps…

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Also something to note around Mighty Car Mods: we are normal guys and are not trained mechanics. We like to make interesting car mods and show you how we’ve gone about it, but we can’t promise that anything we show you will work for your particular car, or that you won’t harm yourself, someone else, your car or your warranty doing it. Please be safe, be responsible and unless you know what you’re doing, do not fool around with very serious machinery just because you’ve seen us make it look so easy. Talk to a qualified mechanic if you are in any doubt.


  1. Post By STEPHEN Weston

    You got to do two stage turbos.

  2. Post By Jacob Moses

    The guys making the Head Gasket comments weren't very clear. The Focus RS's engine has an open desk, which is not a brilliant idea for a boosted application. Basically the head gasket only gets to seal on the tops of the bores and thus can blow quite easily. Here's a video about it https://youtu.be/Nan3LURIq3k

  3. Post By Arabex

    Marty & Moog,Mates, have you heard about this issue on RS engines? https://www.youtube.com/watch?v=Nan3LURIq3k&ab_channel=LegitStreetCars Have you taken any measures since you want to go beyond stage +1M?Cheers

  4. Post By MikeVonDoom


  5. Post By WatchForIce


  6. Post By broncokonco

    The engineering term for what you experience in a turbo car with a non-linear power deliver is jerk. So what Marty is saying is that he likes to experience jerk.

  7. Post By luke burns

    How does the focus only make 315 hp after the tune when the factory spec is 350 hp?

  8. Post By shakalg1

    Its going to blow the head gasket.

  9. Post By McBoyd

    "a couple of other projects which is SUPRA exciting" oh moog tell me its true!

  10. Post By opexo

    No "headgASKET?!?!!!"-link this time, but it will blow your mind and you will want it on your RS :) http://www.cars-power.com/tuning/ford-focus-rs-get-widebody-kit-from-fortune-flares/

  11. Post By Wh1rly Bird

    RIP headgasket

  12. Post By Flyingdonkey

    So…. this is 2 blokes talking about nothing really… Driving a nice'ish car around after professionals clearly broke the warranty seals. Seems…. cool I guess. The intro was misleading, it looked like a jam packed action but nothing in end. A AWWAAHHH?

  13. Post By Dominic Britt

    Cylinder issues on these engines

  14. Post By Kaprise Edwards

    cheat code for your car

  15. Post By Subparanon

    It would be awesome to see MCM do the Ford Taurus SHO, the ultimate stock sleeper. Grandfather body, but with a twin turbo V6 and AWD that would eat that Focus RS.

  16. Post By Mark Tellez

    Hey guys this is mr. Tellez your friendly bus driver now I would steer you guys wrong would I I just issued a challenge to David and Finnegan challenge was to get a 50 something Dodge panel van truck car like to see the panel van and put a jet motor in it and let it do wheelies and I like to challenge you guys to do the same . Also it seems like you guys are the only ones out there that are the free spirit ones I hope and pray you guys don't go the way roadkill did it's far and in-between to get a good show and keep it on YouTube for those of us that only have access to YouTube thanks and keep the good work up your friendly bus driver beep beep

  17. Post By KAD Productions

    Have small turbo and a bigger one the small one will spool fast and then the bigger turbo will pull boost through the rpm band

  18. Post By Jessica Livernois

    …..Put the lowest most calibration in, the top Cobb tunes are the Off The Shelf crap tunes! :p

  19. Post By Macho Sancho

    Stop talking an just do et mottin.

  20. Post By doctorjules187

    350hp advertised at the crank minus 272 wheel hp on the first dyno run = 78hp, 22% loss from crank to wheels. Seems like a lot. Is this average? What cars have the most efficient power delivery through the drive system (least loss from crank to wheels?), and what mods can improve this efficiency? I bet electric cars have less loss…

  21. Post By AussieInfidel

    They have a dodgy head setup and they can't handle the extra boost. Heard of plenty of these engines blowing up before they even hit 20 thou on the clock and still bog stock.

  22. Post By Daniel Hall

    Just had to re-subscribe… i didint un-subscribe tho….

  23. Post By Sean Cook

    Come to the States and hook up my 03 focus svt pleeeeaaasssseeeee?!

  24. Post By t4thfavor1212

    @Mighty Car Mods For Stage 23 get a 2.0L block and have it stroked (you guys love stroking) to 2.3l. They are closed deck and the stock block is good to 800HP.

  25. Post By Brian Nietveld


  26. Post By otho bel

    π hp on pie day, Hell yeah!

  27. Post By Bluudys Garage

    Another cracking videos MCM. I hope your back to the UK soon for a car meet!. I'd love to attend with my supra!

  28. Post By IamTheStig03

    Dyno Mode, More Like Emission Cheating Mode! JK, Great Video Guys!

  29. Post By Nick Ziroli

    The RackaRacka shirt!!

  30. Post By R Twix

    Nice horizontal space on the fan there….ugh.

  31. Post By Victor Bergenstråle

    Switch to a twin scroll turbo!

  32. Post By manojh sangar

    11:00 ……Open Dick?

  33. Post By Schmidt54

    Only answer can be: Bi-turbo!

  34. Post By sipposbft

    enjoyed that.. you guys do a great vid

  35. Post By Andrew Paige

    Awesome guys

  36. Post By Daniel C

    0-100 in 4.2 seconds… DSG golf R does that from the factory… doesn’t look as flamboyant though.

  37. Post By mutanthifi

    as interesting as this is guys, have you rewatched some of the crazy shows you used to make lately? Don't go all tame and serious on us!PS, lawnmowers

  38. Post By utnooB

    I don’t get it. So are the headgaskets going to be a big deal or did they change them already?

  39. Post By The Casual Gamer

    0:05 HeAdGaSkEt??

  40. Post By Alejandro Buse

    Should get a proper Stratified tune.

  41. Post By James Shryer

    I'm not a ford guy, was always raised that way, until I saw this. This /has/ to be the sexiest focus I've ever seen, and I might be a ford guy now. Thank you for the videos!!!

  42. Post By DaGrumpz

    Marty, Supergramps will break another axle before it chops the RS, You're going to get chopped mate!

  43. Post By IchYaBoy Michael

    That Racka Racka Merch lmfao

  44. Post By BluntzBlazing420

    Until you take out the stock computer it's not fast. Never will be until it's pegging 9k rpm. Pectel ecu for the ones wondering and a new head obviously but let me stop my arrogant behavior

  45. Post By michael gartshore

    Heeeeead gaaaaaskeeeeet lol

  46. Post By Rainers Ziobrovskis

    Heloo if you can pls bild projekt drift car for 3000$

  47. Post By chillybowls mustard

    You should 1/4 mile race the Ford focus rs with the fast beetle Mrs daisy

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