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  • Plez
    Member
    • Jul 2018
    • 51
    • South East QLD

    Custom exhaust questions

    Hey guys, going to be doing up an exhaust for my nw, 2 1/2 inch dump into either a 2 3/4 cat or 3inch cat. The boys at work said 2 3/4 is generally better and you lose power going to 3inch. Whatever size cat I use the rest of the exhaust will be that size.

    Just wondering if anyone has dyno charts after exhaust installation.
    I’d also love to hear, start up, idle, and a little bit of throttle exhaust notes to help me make up my mind.

    If you’ve got either a 2 3/4 or a 3 inch id love to hear it.
    Also weighing up going straight pipe with no muffler or maybe just adding a resonator, anyone done a straight pipe to give me some insight into how it sounds and what the drones like?

    Cheers, Liam
    2013 NW, Grey, Auto, Diesel. Resistor EGR Delete, 2inch OZtec + Kings lift, 265/65/r17 Bridgestone Duelers. Custom 2.5inch turbo back exhaust with 200cell highflow cat and 12inch straight through resonator.

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