Abarth uses a closed intake circuit, there's a sensor you can pull out to get the sound we all love. However, this is not good for your car. From watching installation videos on YouTube, I noticed that none of the air intakes touch the hole that was left after the forced air was put in place. So I took the hose off and let it run for a few days, it sounded great, turbo chatter and stuff. But I felt weak power so I re-tightened the hose but with this bleed block. It still feels strong now and it relieves back pressure from the turbo when I shift. The only knock on the product is the chrome lid popped right out of the box and is now loose but that's ok it's not the look I like it's the sound it makes.
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