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Does a rs tuner actually give more bhp



  Astra SRI/ Hornet
Got a chance to buy 1 off a mate for a good price but do they actually up bhp. I've done a search and couldn't find the answer. I don't want to lose the 5k kick either so would like info on the maps that don't take that away from people who have them. Cheers guys.
 
Not much....probably a few. But that's not what it's for. Its about improving the efficiency throughout the rev range.

I did mine, one of the best mods I've done.

Also, the standard maps dont loose the 5k kick
 
  Astra SRI/ Hornet
So it's worth it then. There just seems to alot of people having trouble with them looking through old threads, don't want summit that's gonna be a ball ache.
 
Mine was incredibly simple.

Also, I borrowed a friends unit, that way you only have to buy the unlock code. You might want to do that if you can.
 
Yes it does give a gain - I will be publishing simple before and after graphs in our traders section next week.

We work with Henk @ fastchip for all our mapping needs and use a master version of the same RStuner gear that is sold to the public, very very happy with the results and the feedback we get from customers :)
 


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