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During normal driving I can hear what sounds like it could be an exhaust leak but I'm not sure? I have l/t headers, prochamber and magnapacks. How would I know if it's an exhaust leak or just the way the exhaust sounds? Should I be able to hear noise under my feet or just coming out of the rear of the car?
 

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the locking bolts will hold them yeah, but everything must be tightened correctly lol! when i get on it from like 2-3k it kinda sounds like a have a leak from inside the car, its pretty subtle.
just have someone with a good ear check it out from the outside.
 

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get under and check all the connections, thats about the only way you will find it. If its a header to head leak it will sound like its coming more from the front of the car
 

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check your plugs to, a spark plug blowout about to happen sounds kinda like an exhaust leak
 
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