Hi Kerry - welcome to the world of 996. Just a word from the wise, my 996 C2 is same vintage as yours - don't know about yours but mine had the original exhaust and I started out aiming for the gundo hack but basically the old system was too knackered and frayed to accept the modification. You won't know until you get it up on the ramp of course, and if a previous owner has changed the back boxes at some stage you may be OK. Otherwise be careful you don't throw money at patching old boxes which may not have much life left in them anyway - Gundo hack prices vary but most people I have spoken to work on around £250 ish (some have paid more some less). After much agonizing I went for a full ss setup which sounds and goes epically. The high flow cat was probably the best investment for me, (around £700 plus fitting - some places will fit it for free if you buy from them). Alternatively you could just get the Dansk boxes around £650 plus fitting. All these Stainless bits will marry up to the exisitng mild steel fittings, so you can build up your exhaust a bit at a time and spread cost. Your manifolds may even be OK (mine were shot literally threads of metal holding them on), so you might not even need to do those at all - if they do need doing getting the nuts/studs off is by all accounts a pig of a job. There is loads of info on the forum about exhausts. My recent thread is called Finally Exhausted and I got the whole thing including manifolds done for a little over 2 2K including fitting. That was definitely the one thing I did find out - a good specialist fitter is essential! Good luck - let us know how you get on. J
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