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Originally Posted by overb0ost
alright well to put things short, i have a magnaflow exhaust which is probably 2-2.5" (looks tiny) and sliding has caused my muffler part to come off the pipping. but since i can just put it back on and hang the hangers back on i have the choice of having it on and off. ive experimented and it seems that WITHOUT the muffler, i feel greater throttle response. I have a stock cat and a dummy cat on the car. Now my question is, do i lose hp since i don't have much backpressure which is needed for the KA? and if so, how much? i have heard like around 3hp or so.
i'm asking this becuase im going to a drift event and im wondering if i should run the event with or without it. without it sounds so nice and mean with a deep sound.
so basically im asking is:
1) do i lose hp without the muffler on a stock KA because there isn't any backpressure, and how much? lose low end tq?
2) do i really have more throttle response or am i imagining things?
3) should i run with the muffler or without for this drift event?
thanks!
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you're imagining things. put your muffler back on or buy a real exhaust.
if you think you feel better throttle response, then you must not be losing HP. you wont notice such a difference unless you run a plain old straight pipe.