pkwok4 Posted March 27, 2009 Share Posted March 27, 2009 does anyone that has put an aftermarket uppipe on their 06 lgt know for a fact if the stock uppipe is catted or catless? It seems like everyone is going back in forth in the threads that I have read, and it seems like no one knows for sure if it does or not. Does adding a aftermarket uppipe even do anything on the lgt? Thanks Link to comment Share on other sites More sharing options...
Regal05LGT Posted March 27, 2009 Share Posted March 27, 2009 Your UP has a cat, they stopped catting the UP on 07' Link to comment Share on other sites More sharing options...
kevkel33leg05 Posted March 27, 2009 Share Posted March 27, 2009 Regal is right. 05 06 catted. Newer legs (07+) have an air pump instead. Ups will gain you only a few hp but mainly improves the spool of the turbo. Link to comment Share on other sites More sharing options...
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