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      05-13-2007, 08:50 PM   #38
Terry335
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Drives: 335i
Join Date: Jan 2007
Location: Socal

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Quote:
Originally Posted by Driver72 View Post
But Shiv has (or is working on) a map for cars with an exhaust.
I think I remember him telling me he should get another 10 or so whp out of cars with an exhaust and "stage 1" tune rather than just the base "stage 0" tune.
I don't know, but you are probably right about the gains of the res delete being 1/2 what a cat back system is.
Still not bad for a few hundred dollars labor.
I forgot to hop in your car and listen to it too, shit!
Sound isn't great, just louder at WOT. I've gotten used to and like it, but might not work for others taste.

On the "stage 1" stuff, if your exhaust flows better the car can take a little more timing, maybe its close to the difference between 91 octane gas and 92.
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