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Everything I have read says those two mods increase hp and performance. Not drastically but some.why do you say it doesn’t help? And yes sound.

Not yet. That’s my next move.

I have a 2023 Wrangler 4 door Sport on order and want to put an Injen axle back exhaust and Injen cold air intake on it when I get it. I contacted Injen and because they haven’t actually installed any on a 2023 yet they won’t guarantee they fit. They advertise it will fit up to 2021. Does anyone...