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Hello, I have a 1.8, stage 1, dv, SMIC. I want to upgrade the turbo (have a leak starting so I figure I might as well go bigger) but I am wondering how big can I go with the turbo without upgrading the down pipe/exhaust. I have to smog every other year and it seems like a pita to go back to stock exhaust every other year. Is it asinine to upgrade turbo without upgrading exhaust? Thanks
 

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Well, if your turbo is already dying, maybe not. I'd hit up your tuner and see what kind of power you can make on the stock down pipe. It's not going to be nearly as much as with a new down pipe, but you might be able to eek out a bit more power.

If your turbo wasn't on it:s way out, I think it would be a waste.
 

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Turbo upgrade requires a lot more work than just a dp if you want it to run well. If you're worried about smog then replace it with another stock turbo
 
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