[Water Warrior 2]

Originally Posted by golem

Is there any advantage into adding a better air filter than the stock one if there is no other modification done to the bike? something like this http://www.amazon.com/dp/B001GMAJQG/...=INSHJTWKB0L9T

If it is cheaper than a Suzuki air filter then go for it. Hi-Flo makes a good product.
You can also use their HF-136 oil filter on the GZ. I know it is cheaper than a Suzuki oil filter and is identical.