Injen exhaust silencers
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From: Atlanta
Injen exhaust silencers
Has anyone run a dyno with the Injen exhaust that had the silencers on. I had mine on for a while, and just took them off today. It seems like I gained a few HP by doing this. Don't know if its just in my head, or if the silencers restrict the exhaust flow enough to make a difference?
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