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How does horsepower affect your exhaust note??

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Old Mar 19, 2002 | 09:27 PM
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CamaroX84's Avatar
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How does horsepower affect your exhaust note??

I plan on upgrading my TPI big time (throttle body, port plenum, big runners, base, bigger heads, LT4 HOT cam) on my 355. I know it's kinda dumb, but I was wondering if my car will sound more powerful too, or if it will be louder or more throaty and idle and WOT. Thanks.
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Old Mar 19, 2002 | 11:03 PM
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Re: How does horsepower affect your exhaust note??

Originally posted by CamaroX84
I plan on upgrading my TPI big time (throttle body, port plenum, big runners, base, bigger heads, LT4 HOT cam) on my 355. I know it's kinda dumb, but I was wondering if my car will sound more powerful too, or if it will be louder or more throaty and idle and WOT.
Of course it will.
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Old Mar 20, 2002 | 12:22 AM
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Depends on how much exhaust flows, its velocity, and what it is going through. It will be louder.
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Old Mar 20, 2002 | 03:03 AM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
An L69 with factory cat and both tailpipes sounds a lot better at rpm than an LG4 with gutted cat & one tailpipe missing (everything else the same)

so horsepower? How about cam & compression. Those'll change the sound.
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Old Mar 20, 2002 | 06:41 AM
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From: Cleveland, OH
Car: '87 Camaro LT
Engine: 355 L98
Transmission: T56
i just put a hot cam in my l98, it's not really lumpy sounding but it's more of a 'growl' sound i guess. oh and it's loud too, i think the car came with a flowmaster muffler.
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