GMC Posted October 26, 2011 Posted October 26, 2011 As most of you are aware, my C20XE conversion is nearing completion, so time to build an exhaust system. I have 2" Scorpion 3 box system off a GTE I intend to retrofit onto the C20XE. Currently its a 3 box system (back box, centre box and the long skinny front box which sits just behind the down pipe. What do you guys with a C20XE normally run? I'm thinking the 3 boxes could be restrictive, so considering replacing the front box with a straight pipe? Quite keen to have a nice exhaust note too, but don't want it too noisy. Whats your thoughts, 2 box or 3? Quote
manta400john Posted October 27, 2011 Posted October 27, 2011 I have a performance front-pipe(GTE) and there is no resonator box in it....I thought all sports systems done away with it ? What are you doing regards manifold? John. Quote
spiney_norman Posted October 27, 2011 Posted October 27, 2011 Can't comment on the XE, but my Cav coupe runs a 1.9 CIH with a two box system and sounds lovely. My old Sportshatch (2.0 CIH) only had the centre box the whole time I had it but didn't sound very loud either... Quote
entwistlecymru Posted October 27, 2011 Posted October 27, 2011 The first one I did had a single box you could see right through. That sounded nice but never went as well as it should. Second one I had was a bodged up 2 box system which sounded lovely and went well Quote
GMC Posted October 27, 2011 Author Posted October 27, 2011 (edited) I have a performance front-pipe(GTE) and there is no resonator box in it....I thought all sports systems done away with it ? What are you doing regards manifold? John. Ashley manifold fitted. Looking at all the replies, 2 box seems to be the way to go!! I'm happy Edited October 27, 2011 by GMC Quote
manta88 Posted October 27, 2011 Posted October 27, 2011 I have a 2.5" diameter 2 box stainless steel system on my xe and its too noisey for track days 99.8 db at 4500 rpm but passes the MOT ok. Quote
daverwd Posted October 29, 2011 Posted October 29, 2011 running c20xe in my manta ,,, have an ashley manifold and running a stainless steel pipe system from there .. have 2 boxes and sounds great and not overly loud in side the car Quote
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