hadyn Posted August 3, 2008 Share Posted August 3, 2008 Hi all, After buying a 2nd decat pipe second hand from TDI with the intention to fit it to the 1st cat and finding out that I would have to grind off the 1st cats collar/lip to make it fit, can anyone confirm any particular 2nd decats (blitz/hks etc) that fit without modifying the 1st cat? A trader on here has also told me that you need to grind off the 1st cats collar/lip to make their 2nd decat fit. This is something I dont want to do and I only want to fit a 2nd decat and not fully decat the car. So can anyone confirm a 2nd decat that fits without any issues onto the 1st cat on a TT? Cheers! Quote Link to comment Share on other sites More sharing options...
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