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| L4 Exhaust (Page 1/3) |
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LS4FieroGuy
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FEB 25, 11:13 PM
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Anyone know a good exhaust setup to make the L4 sound slightly more aggressive? ------------------
Joshua Seeger
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Patrick
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FEB 26, 03:22 AM
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cartercarbaficionado
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FEB 26, 03:26 AM
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| quote | Originally posted by LS4FieroGuy:
Anyone know a good exhaust setup to make the L4 sound slightly more aggressive?
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any pypes muffler. very loud when it gets enough exhaust pressure but also expensive.
if you are actually running an ls4 use 2 and run a semi custom exhaust by running one in the factory spot and one by the factory downpipe....if theres even enough room
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LS4FieroGuy
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FEB 26, 03:13 PM
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| quote | Originally posted by Patrick:
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😂😂😂 That's pretty good lol
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LS4FieroGuy
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FEB 26, 03:15 PM
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| quote | Originally posted by cartercarbaficionado:
any pypes muffler. very loud when it gets enough exhaust pressure but also expensive.
if you are actually running an ls4 use 2 and run a semi custom exhaust by running one in the factory spot and one by the factory downpipe....if theres even enough room |
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I'm not running an LS4 yet. Hence why I'm asking about the L4 Duke.
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cartercarbaficionado
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FEB 26, 07:38 PM
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| quote | Originally posted by LS4FieroGuy:
I'm not running an LS4 yet. Hence why I'm asking about the L4 Duke. |
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i would have considered it an i4 not an L4
yeah glasspacks or a louder muffler would help. our solution was a custom ditch find straight pipe (i guess it fell off another fiero?) we did end up using the stock muffler later.
but yeah look for a pypes muffler and use that and itll be loud and might need a glasspack inplace of the stock cat to help sound (this we did on both i4 and v6 and it helps alot)
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cartercarbaficionado
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FEB 26, 07:49 PM
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pmbrunelle
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FEB 26, 07:50 PM
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It is likely that a Subaru-style unequal-length header may yield a Subaru-style sound...
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richard in nc
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FEB 26, 07:57 PM
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the fiero store sells a dual outlet exhaust for the 2.5.i have it.it sounds ok.
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Patrick
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FEB 26, 09:16 PM
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From 2013... my '84 with swapped in factory GT dual exhaust, including aftermarket cat. I used two el cheapo eBay cameras, with one mounted by the rear license plate to better record the exhaust sound.
A duke sounds somewhat better with the dual outlets... but yeah, it still sounds like a duke.  [This message has been edited by Patrick (edited 02-26-2025).]
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