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Registered
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174 Posts
Discussion Starter #1
Hey guys i setup a date my toyota dealer down here to get my head re-shim, port and polish and i'll change the stock exhaust manifold and put on 4-2-1 extractor found on the ae92 fx corolla GT or if i get 4-1 extractor. so if you have any ideas for me just give me reply.

TRDEMON:cool:
 

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Country Hick
2001 Nissan Pulsar
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1,339 Posts
4-2-1's are useless really, unless you got 2 cat converters, then go to one. Gives you slightly (VERY slightly) more power if you do it that way.
 

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Resident asshole
Corolla
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9,552 Posts
4-2-1 has its advantage, one of which is the fact that if you hit the downpipe on something, you can replace that part of the manifold, instead of the whole thing.
 
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