Rook Posted January 27, 2016 Share Posted January 27, 2016 (edited) Apologies if this has been posted already but I couldn't find anything in the search! I have a new exhaust (mid pipe and backbox) coming shortly and I'd like to fit it myself. I'm handy with tools, understand how to not break things, and am pretty used to tweaking, fixing and changing things on the Z now. I'm pretty sure I saw somewhere that there's at least one sensor on the exhaust system, my questions are simply: 1. Are there any on the two sections I'll be changing? 2. Otherwise, is this as straightforward a job as it seems? Any tips for DIY exhaust changes? 3. My car's an 07 and 100k miles, so the undercarriage probably isn't in the best condition, are there any surprise things I'm going to need to account for? Stiff bolts, cracked gaskets etc? 4. I know the car adapts on its own somewhat, but I imagine only to a very small degree. The flow of this exhaust compared to the existing back box is going to be very much improved, but am I right in thinking that the car's 'mapping' will adjust such no performance improvements are made? I read somewhere that it'll read the easier flow as a 'problem' and correct for it - I'm not going to lose performance, am I? Thanks! Edited January 27, 2016 by Rook Quote Link to comment Share on other sites More sharing options...
ZEUS Posted January 27, 2016 Share Posted January 27, 2016 You will be fine changing mid pipe and backbox, sensors are in the cats so not applicable to you. It will probably be a bi#ch to remove the old one and it will run fine after its fitted as long as there are no leaks anywhere. Quote Link to comment Share on other sites More sharing options...
hairyman68 Posted January 27, 2016 Share Posted January 27, 2016 2 lambda in manifolds and 2 in the cats...so none for you to worry about... usual bolts seized...carefully warm up with gas lamp..but be carefully near petrol tank... my old back box just fell apart it was that rusty... Quote Link to comment Share on other sites More sharing options...
Rook Posted January 28, 2016 Author Share Posted January 28, 2016 Thanks chaps! Quote Link to comment Share on other sites More sharing options...
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