WardLS400

Hi John, thanks for the reply/welcome and the advice. Ive had MIJ recommended to me before so ill give them a call. Luckily, I had a mechanic look at it today and he reckons I can get away with just replacing the exhaust gaskets and bolts on either side (straight from Lexus for £30.00 all in) so potentially this could save me a lot of hassle. However, if this doesn't solve the blowing then I will give MIJ a call and get a quote for a new y-pipe! (the full y-pipe direct from Lexus is £380 excluding VAT) Cheers, Rich

Hi there. I own a '98 LS400 and it has recently failed it's MOT for a 'front section exhaust leak'; (this was predictable as it sounds incredible and is definitely not 'normal''). I have trawled through various forums this week and it appears the y-pipe leak is a common problem, but I have a few questions. First of all I don't want to just replace the flanges/get them welded as it appears this is a temporary fix and the y-pipes actually need replacing Secondly, I'm looking for a replacement y-pipe section and have found one from America on eBay but its says its only a y-pipe "with resonator" not a CAT. Thus I don't know whether this is ok to buy ? Heres the link to it. http://www.ebay.co.uk/itm/Exhaust-Y-Pipe-DEC-Converters-LX4613Z-fits-98-00-Lexus-LS400-4-0L-V8-/371242268977?epid=115303292&hash=item566fc37931:g:OZMAAOSwq1JZMqEp I thought all models (98' onwards) would have a CAT at the end of the y-pipe. Some are saying it can be a CAT or a resonator ? Ive also found a another replacement exhaust system thats from a 96' ls 400. Would this fit a 98' model, as I'm assuming the exhaust wasn't changed between these versions ? Apologies for the length of the post, but its a pretty expensive problem and won't pass its mot until I get it sorted. Thanks, Rich