Quote:
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Originally Posted by Sam G
Quote:
Originally Posted by ChiBimmer
Just had it done. I had the shop also do fmic and intakes.
It was incredibly more responsive. I couldn't say how much was to the walnut blasting or the bolt ons.
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Well I had it done as a stand alone service and the difference was massive. Having had all those other mods at the same time must have been mind blowing! |
I only drove it about thirty minutes in this state. Then I installed the Cobb. Holy crap!