I want to install a new exhaust

2017 SUBARU CROSSTREK
82,000 MILES • 2.5L • 4 CYL • 4WD • MANUAL
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SPAZILLA13
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I am considering installing a 2.5" cat back straight pipe on my vehicle listed above sport and i am wondering will i need a tune for my new exhaust system?
Oct 23, 2020 at 8:59 PM
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ASEMASTER6371
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Good morning,

There is no tuning the engine with larger exhaust unless you have a tuner hooked to your existing ECM.

The engine will breathe better with the bigger exhaust and will adapt to that.

Do you have a tuner on your ECM?

Roy
Oct 24, 2020 at 6:08 AM
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SPAZILLA13
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no, i do not everything on the car is stock for now any ways.
Oct 24, 2020 at 10:55 AM
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ASEMASTER6371
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Okay, then there is no tuning that can be done at all.

Roy
Oct 24, 2020 at 11:00 AM