Tvrtastic911 Posted June 7 Share Posted June 7 Just took my 1.6 k series for its first MOT under my stewardship. Went to a 'Caterham friendly' MOT centre in Earl Shilton. But still it failed on emissions. 😞 Back in 2021 it was fitted with a R300 exhaust and previous owner(s) had got it through MOT - guess their test centre was 'more friendly'. What options do I have now, now that its marked with emissions fail? Do not want to stump up £1,600 for a new preplacement pipe with race cat and TBH am extremely happy with the noise/power of my R300 exhaust. If I get the below off ebay, is it likely to fit and i use it as a temp install for MOT times? https://www.ebay.co.uk/itm/296292754199?chn=ps&_ul=GB&norover=1&mkevt=1&mkrid=710-134428-41853-0&mkcid=2&mkscid=101&itemid=296292754199&targetid=1814673648662&device=c&mktype=pla&googleloc=9046168&poi=&campaignid=19089547614&mkgroupid=142438599285&rlsatarget=pla-1814673648662&abcId=9303859&merchantid=6995734&gad_source=1&gclid=CjwKCAjw34qzBhBmEiwAOUQcF4sqqjBo7iLlo0gumzPjhsc02R4gQaCZApWPiqK9VncSJQ7CLtrXoBoCdWkQAvD_BwE All your sage like knowledge appreciated. Link to comment Share on other sites More sharing options...
Area Representative bluenose Posted June 7 Area Representative Share Posted June 7 The group in your Leicestershire area has 106 members so hopefully someone may have a cat they could lend you? There should be a WhatsApp group you could use to ask the question? £600 is taking the p155! Nick 1 Link to comment Share on other sites More sharing options...
Miker7 Posted June 7 Share Posted June 7 Cant help with the exhaust as mine is the single pipe out the side of the car, not the 4. However you may be local if you're going to Earl Shilton (I'm Burbage). Earl Shilton was the garage Caterham used to use when they were up the road but they've not been there for a long time. I didn't go as I didn't get any recommendations, I didn't know if it was still the same people (and so how friendly it would be) and I couldn't realistically get there in a lunch hour. Recommendations on here suggested Stoney Stanton which i'd now also recommend going forwards, however I'm not convinced he'd pass a car that would fail its emissions, especially if its already marked as having failed. Link to comment Share on other sites More sharing options...
Tvrtastic911 Posted June 7 Author Share Posted June 7 1 hour ago, bluenose said: The group in your Leicestershire area has 106 members so hopefully someone may have a cat they could lend you? There should be a WhatsApp group you could use to ask the question? £600 is taking the p155! Nick guess this tatty thing from Sevens&Classics is a better price and will do for MOT days..... https://www.sevensandclassics.com/online-shop/p/r500-k-catalytic-exhaust-pipe-used Link to comment Share on other sites More sharing options...
John Vine Posted June 7 Share Posted June 7 The need for a cat depends on the year of your car, and specifically on digit 10 of your VIN. Digit 10 is the year code. If it's greater than W (that is, X, Y or a number >0), you'll need a cat. JV Link to comment Share on other sites More sharing options...
Tvrtastic911 Posted June 7 Author Share Posted June 7 Its a 6. 😔. Shopping time for me! thanks for the info John 1 hour ago, John Vine said: The need for a cat depends on the year of your car, and specifically on digit 10 of your VIN. Digit 10 is the year code. If it's greater than W (that is, X, Y or a number >0), you'll need a cat. JV Link to comment Share on other sites More sharing options...
CAT170 Posted June 7 Share Posted June 7 What did it specifically fail on? If the CO and HC are ok but the Lambda is high it could be a small exhaust leak. Link to comment Share on other sites More sharing options...
Tvrtastic911 Posted June 7 Author Share Posted June 7 2 minutes ago, CAT170 said: What did it specifically fail on? If the CO and HC are ok but the Lambda is high it could be a small exhaust leak. Many things. Lambda reading, carbon monoxide and hydrocarbon. Link to comment Share on other sites More sharing options...
KelvinWoodard Posted June 7 Share Posted June 7 Fitted this cat to my Super Sprint Xflow engine ahead of an IVA. Don’t have the details to hand. If you’re interested I look them up tomorrow. Cost about £250. Link to comment Share on other sites More sharing options...
Colin Cooper Posted June 8 Share Posted June 8 You dont say what year your car is. If its before 1st August 1998, then a visual test is all that is required. Page 2 of the DVSA 'In service exhaust emission standard for road vehicles'. I take a copy of this with me and hand it to the tester. I have never had a problem with my 1996 Zetec on carbs. Col Link to comment Share on other sites More sharing options...
Tvrtastic911 Posted June 8 Author Share Posted June 8 It’s a 2006 car Colin. So guess I’m bang to rights needing a cat form MOT. Love to have been a fly on the wall of its last couple of passed MOT tests. 🥴 Link to comment Share on other sites More sharing options...
Tvrtastic911 Posted June 8 Author Share Posted June 8 Going to order a that used R500 K Catalytic Converter from Sevens and Classics, seems to be the cheapest and easiest option for me. Link to comment Share on other sites More sharing options...
simon_h Posted June 8 Share Posted June 8 17 minutes ago, Tvrtastic911 said: Going to order a that used R500 K Catalytic Converter from Sevens and Classics, seems to be the cheapest and easiest option for me. Check the pipe diameters match your system. R500 is bigger than some Link to comment Share on other sites More sharing options...
Area Representative Geoff Brown Posted June 8 Area Representative Share Posted June 8 Your existing exhaust from the pic appears to be continuously welded up to & including the four branch ejector. So, it will have to be a cut & shut with clamps for the cat cat assembly ? Link to comment Share on other sites More sharing options...
Tvrtastic911 Posted June 8 Author Share Posted June 8 7 minutes ago, Geoff Brown said: Your existing exhaust from the pic appears to be continuously welded up to & including the four branch ejector. So, it will have to be a cut & shut with clamps for the cat cat assembly ? I cant see any weld. Hoping to pull off this morning before going to a remberance thing in a bit though. Link to comment Share on other sites More sharing options...
Area Representative Geoff Brown Posted June 8 Area Representative Share Posted June 8 OK. Must put on specs before opening mouth & inserting foot ! Best of luck with the re test. Link to comment Share on other sites More sharing options...
Tvrtastic911 Posted June 8 Author Share Posted June 8 8 minutes ago, Geoff Brown said: OK. Must put on specs before opening mouth & inserting foot ! Best of luck with the re test. No worries Geoff. I still cant get the bu55er off though. Non welded on fast. 🤣 Link to comment Share on other sites More sharing options...
Area Representative Geoff Brown Posted June 8 Area Representative Share Posted June 8 Use a much larger 🔨!! 1 Link to comment Share on other sites More sharing options...
Ainsley Posted June 8 Share Posted June 8 Would it not be possible to get it MOT'd at the same place the previous owner used ? Link to comment Share on other sites More sharing options...
DirtBuddha Posted June 8 Share Posted June 8 If you are stuck I have a 4-1 manifold and complete K Series exhaust with Cat you could simply swap onto it for MOT days? £150 located near Horsham. Link to comment Share on other sites More sharing options...
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