GS300 MK2 exhaust and MOT question

[ultimatequinoxe]

Hi all!

 Having had my latest GS300 for a couple of months now, the MOT is due and I know the current exhaust is an issue (see pics).

I have been desperately hunting for a stainless steel system in preference to an OEM seeing that the two used ones on eBay are a mighty £350! And MIJ have quoted me £445 for new S/S with life time warranty (as an FYI).

So the questions are:

1. If I plug that hole in the back box, and make sure that and the awful paste all over the joint isn't leaking either (thats how I bought the car, not my handy work I'll add) might I stand a chance I wonder, as technically the fail is excessive corrosion. But I fear all that putty is an obvious giveaway of excessive corrosion even if its not leaking.

2. Another MOT requirement seems to be the correct number of baffles/mufflers, so should one slap a S/S cat back on would it be an issue. Or should I maybe say has anyone taken there car (any car) in for an MOT with a S/S cat back and had any issues other than possible noise or emissions?

 

Many thanks! I am getting a little frustrated that in the last two months I've not found a single second hand S/S system and I'm not really wanting to throw to much on the car just yet until I've had it a while longer.

[Farqui]

Tim, is that the gum/paste just forward of the muffler? It looks a right mess!

Was the new quote just for the rear boxes?  I recently had Tony Banks make up a replacement rear section and it was less than the figure you quoted. Admittedly he's not local to you but there must be other zoorst specialists nearby that would provide a similar service/price?

Good luck getting it sorted anyways.

[ultimatequinoxe]

Hi, thank you for your reply. Yes, I'd say its gumgum or similar on it, I did see it when I bought the car and knocked the price down a bit as a result. Its not leaking at the moment from there, but I dare say its a metal/rust mess underneath the gumgum mess hence I think I'm best dropping the lot cat back (cats are only a couple of years old).

The quote from MIJ (based in the Wallsal I believe) was for the entire cat back (so mid Y piece and both rear boxes) with either single or twin tail pipes for the fitted price (inc VAT) of £444.99. I have tried about 3 other zoorst peeps but they have either come in much higher or say to bring the car down to give a price. To me £445 with a lifetime warranty is not to bad, but I'd ideally prefer to just slap a second hand one on for the time being to see it through an MOT, just in case the car fails elsewhere or lets me down badly over the next few months (unlikely but one never knows).

[TigerFish]

Yes, if you can stop the blow, then it should pass the MOT with no issue. 9 times out of 10, a blow is more of a problem as it skews the emissions numbers and fails on those. It would have to be an epic blow to fail on that alone, ie noise.


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[rock on]

Don't know where you are but maybe a quick call to these guys for a rough price idea.

 

Some classics in the gallery

 

http://www.jpexhausts.co.uk/

 

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[ultimatequinoxe]

Sorry to bring this thread back to life, but I've MOT'ed it now and thought I'd share the results (and put a new thread up)

So, I pulled some of the gum gum off and found a 2cm hole. Due to the cold, I just got some JB weld and stuffed it on the hole (in a manner of speaking) and some over the blow on the silencer. I then had a look underneath at the rest of the system and found other random areas with exhaust paste and gum gum hanging off and generally, one very old and worn out looking system. The previous owner kept it garaged, but I've only a sodden patch of grass to park on, which doesn't help.

I assumed the exhaust would fail on "excessive corrosion" and a bush/bearing/ball joint or something (as I get a slight low speed knock and mild wobbles at 80+) and any number of other things (being paranoid as my previous car, a CLK 320 failed terribly) But to my amazement, it passed with 2 advisories "slight webbing of nearside front seat belt, but not weakened" and "oil leak at pinion on rear diff". So I was well happy and surprised! And more happy that I have a lexus again :)