I dont have pics after installation. Apex-i did have better flow numbers than the K&N filter. You would have a little gain without exhaust. None noticable though. And I had a cheepo one from Pep Boys that made the wooshing sound if i stomped on the gas. But I couldnt hear it from inside the car. I'd have to pull on the throttle cable in the engine bay to hear it. But in higher RPM mine started to hiss and sounds almost like a turbo. But the car next to u can hear it if they had their windows open and u went wide open throttle right away.
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