Quote:
Originally Posted by D's Bimmer
I have had the Dinan Stage II Tune since it came out. They have done an amazing job as usual. I have tried other tunes and they all have their unique features. What I like about the Dinan tune is that it enhances the day today drivability as well and being able to respond on demand.
Adding a great exhaust really makes it a fun car to drive and listen too. I get all kinds of comments on my OEM Performance Exhaust as well.
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are the power gains really noticeable? or is it mediocre?