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Forum: 451 fortwo - Performance & Mods

A forum to discuss performance enhancements and modifications to your smart. NO advertising or product offers!

  1. S-Mann Exhaust or similar

    As the second Brabus exhaust has given up the ghost on my 451 Brabus, I thought it might be worth looking at another make of exhaust. Has anyone got any recommendations ? I've looked at the S-mann but there doesn't seem to be very many options to replace the standard Brabus exhaust. Thanks in...

    Started by Ibisti, 13th October 2017 08:21
    • Replies: 2
    • Views: 192
    17th October 2017 22:57 Go to last post
  2. Speaker upgrade for 451 Grandstyle - fronts and sub done. advice wanted on rears pls

    Hi All I'm a newbie to this forum as I only bought the Smart a couple of months ago. The first thing I found, after my first 35 mile commute, was that my ears hurt from the stereo sound. The car is the Plus model with the Alpine satnav, but the speakers appeared to be two tinny horrible door...

    Started by Jonnyspin, 2nd October 2017 10:18
    door speakers, nakamichi, rear speakers, speakers, underseat subwoofer
    • Replies: 3
    • Views: 227
    16th October 2017 13:49 Go to last post
  3. Door speakers

    I want to upgrade the door speakers. Can it be done by popping off the grill & changing them over or do you have to remove the door panel everytime? I'm not wanting to go mad, was thinking maybe Kenwood 3-way speakers.

    Started by Black Knight, 9th August 2016 21:04
    • Replies: 5
    • Views: 1,931
    2nd October 2017 12:26 Go to last post
  4. Dash cam and few other bits

    A week into my Smart ownership, I've added a few things. Driving in Leeds city, the standard of roadmanship gives me cause for concern. Hence cheapie dashcam. I hate wires of any kind on display so hardwired to free constant supply on side of fuse box. Took off the plastic trim and ran cable...

    Started by bwms, 23rd October 2016 16:55
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 5,355
    11th September 2017 22:28 Go to last post
  5. 451 Exhaust wanted

    I am looking for an exhaust upgrade for my non-turbo 451. Any about??

    Started by S2AAZ, 5th September 2017 02:10
    • Replies: 0
    • Views: 313
    5th September 2017 02:10 Go to last post
  6. Need to replace Highline audio unit

    The Highline audio/satnav unit in my 2012 fortwo Cabrio (84) is not fit for purpose. Radio reception is poor, satnav capability is unacceptable. There are loads of double DNS units on ebay from less that £100 to £500. Has anyone here replaced their Highline unit? Can anyone recommend a decent...

    Started by anotherbob, 7th July 2017 15:13
    • Replies: 3
    • Views: 924
    13th July 2017 11:01 Go to last post
  7. Remap a MHD?

    I wanted to find out if you can remap a 451 mhd. I am happy with the car but it does lack power. I am used to remapped 450. A respected company in North London offers a mhd remap for £175. Another respected independent told me you cannot remap a mhd. Which is right?

    Started by Hadleigh Marky, 14th May 2017 20:31
    • Replies: 5
    • Views: 1,592
    17th May 2017 20:07 Go to last post
  8. Question Adding DRL - What is the big issue ?

    Iím told by Mercedes and a few independent Smart mechanics that the original DRL donít always work if retro fitted; even if a code is used. Apparently you can't even order it as parts from SMART to retro fit anymore, which seems bizarre. Given that the genuine lights as a retro fit are expensive,...

    Started by TINYTOT1, 20th March 2017 19:09
    drl, retrofit
    • Replies: 0
    • Views: 1,025
    20th March 2017 19:09 Go to last post
  9. Better Pollen filter

    Hi, anyone know of a better pollen filter or cabin air filter. I was kinda hoping there would be a company that made better ones a bit like K&N do for engine air filters but there is nothing I can find. Cheers Si

    Started by styleruk, 5th March 2017 15:06
    pollen filter
    • Replies: 6
    • Views: 1,646
    6th March 2017 22:13 Go to last post
  10. Some new bits to fit to my Smart

    Purchased a couple of little bits for my 451 Fortwo, Forge silicone intake pipe and a pipercross panel filter Looking forward to fitting them and seeing if I can notice a difference :)

    Started by Andy2174, 8th October 2016 12:28
    • Replies: 7
    • Views: 2,408
    10th October 2016 20:07 Go to last post
  11. Smart car 451 fortwo Question

    Hello, I am looking for information on where i can purchase some caps/covers for the locking wheel nut on my car. I have purchased the caps for the wheel nuts and just want to finish it off with the other caps. Any help appreciated.

    Started by Vannas, 8th September 2016 19:27
    • Replies: 7
    • Views: 2,131
    10th September 2016 08:25 Go to last post
  12. Headlight upgrades

    What bulbs are best to upgrade to? Sidelights & headlights

    Started by Black Knight, 25th July 2016 00:55
    • Replies: 5
    • Views: 1,896
    8th August 2016 23:44 Go to last post
  13. USB power increase

    Hi I have the hi line sat nav in my smart ED, currently making my own phone holder and was going to run the side USB (found in glove box), to my phone so I can connect to head unit and charge. Usual problem, the power from the USB is tiny and barely keeps the phone charged. One idea I had...and...

    Started by styleruk, 22nd July 2016 08:58
    • Replies: 3
    • Views: 1,489
    22nd July 2016 09:42 Go to last post
  14. Mpg

    I just filled up the wifes 2009 451 84Bhp (50,000 miles) today after the first couple of hundred miles mixed motorway/urban. I was surprised that it does less to the gallon than my Insignia achieving only 41.8mpg - especially as she has a light throttle foot. How do people manage to get the...

    Started by pewe, 2nd February 2016 22:54
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,141
    14th July 2016 16:58 Go to last post
  15. What Colour Seat Covers

    Thinking of buying a set of front seat covers for the Fortwo described in my signature. It has both Bodypanels and Tridion cell in Silver metallic. I can get them in Black, Grey, Blue, Red, Green and Navy. I was thinking Grey would be the obvious choice but perhaps Black would hide dirt...

    Started by nlel, 9th September 2015 15:35
    4 Pages
    1 2 3 ... 4
    • Replies: 31
    • Views: 7,622
    8th July 2016 12:22 Go to last post
  16. Thumbs up S2Smarts What a great company to do buisness with.

    Well today my 451 cabrio went to get new springs and suspension along with some new discs and pads. Such a great place to get work like this done and the drive back to Suffolk from Watford was a real pleasure transforms the car in so many different ways. If your considering having it done don't...

    Started by DBS, 22nd September 2015 16:21
    • Replies: 1
    • Views: 1,897
    30th June 2016 03:42 Go to last post
  17. cycle rack

    Very pleased with my new cycle rack from www.rack4smart.com through e bay. Under a hundred quid, installs and removes easily and very light weight.

    Started by Tallmarkb59, 14th March 2016 17:38
    • Replies: 4
    • Views: 2,213
    6th May 2016 18:02 Go to last post
  18. Changing the head unit in a 451

    I was thinking of changing the smart sat nav for a different double din head unit and wondered if I needed a new facia for it? I thought I might try out one of the apple CarPlay units now on the market.

    Started by Ibisti, 1st May 2016 12:17
    • Replies: 4
    • Views: 2,434
    4th May 2016 18:48 Go to last post
  19. Plasti Dipping my wheels

    So I got the itch to change the colour or my wheel, but didn't like the idea of painting/powder coating them as its a real pain to go back to the original polished alloy. So I decided to have a go at Plasti dipping them instead. For those who don't know what this process is, its just like painting...

    Started by Ibisti, 19th April 2016 19:47
    • Replies: 4
    • Views: 2,376
    19th April 2016 21:32 Go to last post
  20. Remapping turbo 451

    Hi What is the better way round as im thinking of getting a remap should i do any other mods first and then the remap or just jump straight in with the remap? Thanks Nick

    Started by falloutboy, 6th January 2016 12:57
    • Replies: 7
    • Views: 2,990
    8th January 2016 02:27 Go to last post

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