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exhaust system

  1. Fuel Controller needed with just an exhaust

    Dyno/Tuning Room
    Need help guys just got a 2011 kfx 450 and I was wondering if I needed a fuel controller if I was going to just run a full system pro circuit t4 exhaust with stock air filter and cloded box I am planning to put a intake and fuel controller later when I get more money just got the exhaust for now...
  2. Quick Questions about bolt ons.

    Member Introductions
    OK, so I have an 09 KFX450r that is running like a champ. The quad is all stock except a K&N Replacement filter. I just ordered a DG slip on, K&N Proflo kit. I had read on a forum of a guy using the intake tube from a LT500 and modifying it to replace the pancake tube on the KFX. So here are my...
  3. DMC Dual Exhaust!

    For Sale / Wanted
    I have a good condition dmc dual exhaust will take offers, Call or text 203-823-6854 or pm me. I really need the money before 1pm today eastern time so please help me out! Will ship monday morning or afternoon! 5-7 hours on exhaust
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