Best accessory for my Ignis was K&N Air Filter, it really changed the sound of engine which I really liked. Maybe it was Placebo affect but I felt the change in character of the car.
Put a K&N cleanable air filter in long ago I’m now at around 80k mileage and most likely going to sell my 2016 wrx before 100k.
I actually switched back from a short ram to the stock airbox recently and it completely changed how the car drives — smoother powerband, better MPG, and way better throttle response. I do miss the VTEC sound a little, but performance > noise for me.
Air filter change gets K&N.
Wanted turbo noises but couldn\u2019t justify $200-$300. Parts : 3 inch OD - 3 inch OD pipe. K&N 3 inch filter, APR SAI Filter. Drilled a vaccum tap into pipe. Sounds really nice. I know not much gain but sounds good lol.
I had on in my BRM, it was there when I got it. I didn\u2019t have any issues or dirty getting by. I just had to clean it more often because of the EGR valve.
I don’t recommend reusable performance filters since they can alter air flow enough that you end up running a little lean with a turbo charged engine. This is why a lot of turbo charged engines can’t just have a cold air intake slapped on without a tune. This actually occurred with my 08’ Subaru Legacy GT. Stick to a quality standard filter that offers optimal air flow and filtering capability.
First step, if it still has the k&n air filter in it, throw that piece of shit away amd get a decent paper filter.
No it’s not worth it.
K&N is awful at filtration just like up the testing. Get the AEM dry flow
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