If I replace the stock Exhaust on my 2015 VW GTI with an aftermarket cat-back will it mess up any sensors, or cause problems with Inspection & Emissions, or Warranty from Dealership?

5

Asked by Mar 17, 2017 at 01:48 PM about the 2015 Volkswagen GTI 2.0T S 4-Door FWD

Question type: Car Customization

***Please note I will be moving to California in a few months...and I hear
California is crazy with emissions stuff.

THANKS!

4 Answers

119,555

It will do all of the above !

5

It shouldn't mess up sensors because it is a Cat-Back...meaning it comes after the CAT. I am keeping stock downpipes, and CAT. What do other people think?

119,555

The sensors should be fine, but not sure you will pass emissions in California...

1 people found this helpful.
2,070

warranty may be voided but all else should be ok

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