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Are you 100% about that? Because the kits only come with 3.5" as far as I know, maybe I'm wrong tho.
I'll bet your dick they're 4" OD tips. 3.5" inlet, 3.5" outlet double walled tips. They just don't look huge because they are double walled, and because I have them tucked up nicely into the bumper.
I'll bet your dick they're 4" OD tips. 3.5" inlet, 3.5" outlet double walled tips. They just don't look huge because they are double walled, and because I have them tucked up nicely into the bumper.
LMAO...I missed the outside diameter part lol. Yup this makes more sense now. I have the same setup, I just forgot lol.