Colin Grundy Posted October 29, 2002 Share Posted October 29, 2002 On the Caterham stand at the Motor Show, the SV had a competition exhaust system fitted. Did anyone notice if this or indeed the standard competition exhaust system has a cat fitted. I need a 4-2-1 or 4-1 system for my new 1.8 K. What Caterham system do I need. Link to comment Share on other sites More sharing options...
DrivRich Posted October 29, 2002 Share Posted October 29, 2002 Not an expert but... Ordered a Roadsport recently. Asked about the competition exhaust instead of the standard one, expecting a big credit against the after sales exhaust price (ie rebated the cost of the normal one against the price of the competition). Was told £850 ❗ ❗ Considering Powerspeed ask around £500 for the after sales article I found this to be steep Hence ordered the standard exhaust and will later buy competion from powerspeed or the like. Also advised that the standard with Cat converter is a usefull spare to have when MOT comes round As non-cat 'performance' exhausts struggle on dB level and emissions. So one for the raod and one for the MOT / SVA - obviously not a course of action anyone would endorse on here Not an expert - so best get more opinion on what I have written. Cheers, Dave Saw a 7 Hitched a ride in a 7 Ordering a 7 - Done that now ❗ Will Own a 7 😬 - First Week of 2003 😬 😬 Link to comment Share on other sites More sharing options...
murph7355 Posted October 29, 2002 Share Posted October 29, 2002 Have to say I'm a bit surprised (or am I) they didn't offer some discount off the parts price for the comp. exhaust, even if it was just a couple of hundred quid. You can buy a cat by pass pipe so you wouldn't need two full exhausts, just the pipe. Technically you need a cat for emissions as well as noise. But there are Caterham friendly garages out there that will sort you out if you don't have one, I believe. Either that or buy an older car If you search for 4-2-1 and 4-1 on the forum you'll get a good run down of the pros and cons. Adding Carmichael to the search will give you a detailed answer Basically boils down to engine size and where you want the benefits...I think most people are opting for 4-1 at the moment, but either choice will be a marked improvement over the one where the collector is inside the engine bay. Link to comment Share on other sites More sharing options...
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