Guys,normally how much the shop charge on removing the cat con and replacing it with bullet?
If change already,would it effect fc?does saga lmst have cat con?

what is this both?under my lmst

bullet silencer?
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cat con?
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This post has been edited by fishncatz: Mar 2 2009, 06:53 PM

Guys,currently my 4G13 is using the stock exhaust system.Is it recommended to change just the extractor to 4-2-1 and the stock iswara muffler to S-flow type without changing the piping? BTW,what's the inches is the piping? One of the shop recommended me to put the bullet with swirl one. He claim that it would have a better pick up and FC improve. Is it true? I read most of the people replied here that the swirl bullet inside the hole will decrease the top speed.

If just change the extractor alone will increase hp abit?

but then izit recommended to put the swirl bullet? I read past the last few pages some forumer said not good on their myvi but saga i dont know.Willing to learn more.BTW,the stock piping how many inches?