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3' Downpipe Questions?

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wbzautocustomiz

Want my GN to go 11's one day
Joined
Feb 11, 2007
Messages
468
I Have 87 T-type With Stock Turbo And 2.5" Catback Exhaust W/test Pipe I Would Like To Upgrade To A 3 Inch Downpipe I Want To Know What Is The Wastegate For? Is There A Stock Wastegate? If I Do Go With 3" Dp Should I Get One With External Wastegate? Keep The Stock Wastegate? Mild Mods Chip,test Pipe, Catback Exhaust. Any Info Will Help Me.
 
The wastegate is used to keep the turbo from over boosting. As far as using an internal or external I haven't done it yet but I'm going external for better boost control. Do a search in the turbo section to get a better idea.
 
Why are the boost controllers like RJC sells so popular? Are they usually used on the stock style wastegates? I have an old ATR external on my ATR downpipe and I've never had a boost creep problem. If he plans on a bigger turbo/intercooler/injectors down the road, would an external be better so he just does it once?
 
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