Quote:
Originally Posted by clakmurrick
I should note that my friend convinced me to remove the stock airbox, so we replaced it with velocity stacks, and we removed the stock muffler and attached a SC Project exhaust.
In order to make use of these mods, we got a jet kit, which replaced the main and idle jet, and we also added washer spacers to the needles and cut the spring slightly, according to the instructions provided.
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Do search here for "pod filters" and you'll find
no one has been able to get them running properly. Causes mismatched fueling and issues in crosswinds. For no benefits in power whatsoever because stock airbox does not block
any flow at all. It's same size as one on my CBR600RR which flows 5x more air. Most posts will be from people reverting back to factory airbox trying to track down OEM parts.
Over 30-years of racing Ninja 250s and not a single racer uses pod-filters. Even though it's allowed by rules, no one does it, because there's no benefits and too many downsides as you've found out.
Go back to 100% stock and your bike will run like fresh off showroom floor.