Guest rubix Posted December 6, 2009 Share Posted December 6, 2009 Hey guys, Ive previously owned an NA MKIII Supe and ive just purchased an auto tt RZ. Im blown away by its stock performance but i am curious about mods for the future. Currently it has a 2.5" stainless steel exhaust (not sure about muffler/cat configuration). Is that big enuff or a little restrictive? Also i will consider a Pod filter and exhaust headers/extractors. How will these three mods (which i did on my last car) effect the turbos? Will there be any problems? As you can tell, im a turbo noob Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted December 6, 2009 Share Posted December 6, 2009 Search the forum for BPU that will tell you how to make it better Quote Link to comment Share on other sites More sharing options...
Terminator Posted December 15, 2009 Share Posted December 15, 2009 Keep the stock air box, much better than a pod, especially in a hot climate. The cats are the main restriction in you current set up.( If they are still there) Quote Link to comment Share on other sites More sharing options...
AndyT Posted December 15, 2009 Share Posted December 15, 2009 Fit a restricter ring or boost controller if you decat or having turbos won't be a problem anymore. Quote Link to comment Share on other sites More sharing options...
Nic Posted December 15, 2009 Share Posted December 15, 2009 2.5" exhaust will be fine. Don't bother with pod filter, keep stock airbox. There are no aftermarket manifolds (extractors) available to fit the stock turbos. The stock sequential system is complex, the only reason to fit a different manifold would be if fitting aftermarket turbo(s). Quote Link to comment Share on other sites More sharing options...
Terminator Posted December 15, 2009 Share Posted December 15, 2009 Fit a restricter ring or boost controller if you decat or having turbos won't be a problem anymore. You must use a restrictor ring, a boost controller can not lower boost so if used alone, will result in over boost of 1.4 bar + Quote Link to comment Share on other sites More sharing options...
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