Performance & Modifications (95)

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S Cal to Phoenix AZ at 70 with a/c vs HYPERMILING from S Cal to Laramie WY at 50 Got 43 mpg average with a/c on at 70 mph from Bakersfield to Phoenix and back with passenger and suitcases. But I drove both directions f... Started by Rick Masters	0	Jul 26
Added a coolant and oil temp gauge... See if you can spot it! Started by VS	5	Jul 24 Reply by 451 Kahn
The (MHD) micro hybrid drive? Can you or the dealer modify the U.S. 451 with a (MHD) micro hybrid drive that switches off the engine as soon as the car falls below a s... Started by Mr Ed	10	Jul 23 Reply by Scott Mankewitz
rear view mirror upgrade I new I had seen this somewhere... https://www.dh-parts.de/ unfortunatley its for the 540 but hopefuly this will spark someones mind an... Started by SATO	6	Jul 22 Reply by Jack Diehl
Double Horn a great add on Well, I had ordered my double horn with my car but it came in last. When I had to bring my car in because of the Gear Shift problem (stuc... Started by Marc L	0	Jul 16
451 Smart Car - The Ultimate Experience, exhaust system upgrade. check out this amazing video on youtube.com WOW, I want an exhaust like that. http://www.youtube.com/watch?v=VPGITS53oI8 Started by David	2	Jul 9 Reply by David
Winter driving Just what does one do for snow tyres?? I have used hockies for years what is the hot winter set up. Started by Andrew D. Clauss	7	Jun 30 Reply by Stuart Berman
Coasting with Automatic Transmission I aplogize if this topic has been covered before. I did a search but couldn't find a clear answer. After years of driving manual transmi... Started by mynx	5	Jun 29 Reply by mr bad example
Disabling lock/unlock beeps on U.S. 2008 451 Smart with alarm Some like it but I find the beeps annoying. I can tell the car is locked by listening for the click and don't need the extra fanfare. Doe... Started by ABG	0	Jun 23
fog light install kits i have a pure, fog lights weren't an option. does anyone know of any fog light install/adapter kits? Started by mr bad example	12	Jun 18 Reply by Bruce Fromoz