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I've done some searching on the site, and read the various debates on AMD, MTM, APR, Revo. Some of the main reservations about the Revo option seemed to have been that it didn't have the installed base or track record of the other more established tuners. Nevertheless, it is easier, quicker and cheaper to get the Revo upgrade done, and I've got an SPS 1 dongle from my previous car. So could those who have actually had their S4s Revoed, please give me some feedback comments? I'm sure the installed base must have increased a bit by now.

im tuned by revo, im running RS4 softwear in my s4 and is just crazy.

PS: im the only s4 in the USA running RS4 softwear

Yeah, I am interested too. Currently looking
at APR, Revo and Upsolute.

I haven't heard of that one before - Revo RS4 software in an S4. Is this better than the Revo S4 software? Isn't the RS4 software designed for a rather different car with different size turbos, injectors etc?

He has the RS4 conversion if you look at his sig [img]images/graemlins/tongue.gif[/img]

I haven't heard of that one before - Revo RS4 software in an S4. Is this better than the Revo S4 software? Isn't the RS4 software designed for a rather different car with different size turbos, injectors etc?

i have all that and also custom FMIC by DUH engineering and custom 3" full exhaust by champion racing. but now im missing the fuel rail and the inteka and the tb from the RS4. just like i have in my car a big grill [img]images/graemlins/biggrin3.gif[/img]

i got the s4 big turbo software in my s4, and its a big difference in power from the garret modified chip i had ....it runs smoother and safer...and its fully tunable as far as fuel injection ad ons, or timing, and basically its great.

mark