Quote:
Originally Posted by Juruki
^^ even without a tune the car shouldnt feel slower with intake and exhaust....
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It depends, every car responds to some of these bolt ons slightly differently. When you move the MAF around, it can negatively affect the way some cars respond to the new MAF readings.
I would definitely get a tune, even if you didn't have those problems in order to get the most out of your parts and to make sure your A/F is completely safe.