i fitted a k&n filter to my gp and it sounds awsome as for a power increase there isnt a massive difference but there enough to bring a huge smile to your face. well it works for me anyway.
i fitted a k&n filter to my gp and it sounds awsome as for a power increase there isnt a massive difference but there enough to bring a huge smile to your face. well it works for me anyway.
You won't get any Increase. The increase is placebo effect due to the noise it makes. You more than likley have a decrease in power however the throttle responce is usually alot better.