Date Added: Monday 13 June, 2011
For all the geeks out there (you know who you are), I've done a bit of before and after analysis on this. I keep mileage records for my car and always have so I can compare to determine if there is any fuel saving effect of installing this induction system. My car is a V-reg Mk 2.5 1.8 litre special edition with 71000 miles on the clock. I have compared the same time period last year and this year to account for environmental variables like temperature and hideous non-half-term traffic etc. Most driving is commuting on A and B roads. I'm not a complete lead-foot but I don't hang around either...
Average over 10 fill ups last year at this time - 36.84 plus or minus 1.21 MPG
Average over 10 fill ups this year post-Typhoon installation - 39.78 plus or minus 0.96 MPG
(and today it achieved a personal best of 41.4!)
This is a significant difference (t-test, p=0.0015) - told you this was for geeks!
I calculate therefore that I am saving the equivalent of a full tank every 13 fill ups. At one fill up per week (roughly) that means that I'm saving the price of the kit in well less than a year!!
And if that doesn't do it for you, the nice purr that develops in second and third gear as you climb through 2000-4000 rpms should. The sound isn't an obnoxious boy-racer thing at all - it's just something that you can enjoy if you turn the stereo off for a bit.
Oh yeah, the usual - MX5 Parts are wonderful and the part arrived next day and was easy to install following the good included instructions blah, blah blah...
Hope this helps and happy motoring.
Rating: [5 of 5 Stars!]