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venox22 · Aug 30th, 2005, 09:43 AM

Right then im probably in for a telling off here!

When ppl refer to a 'catback' exhaust what does this mean?

Have a MCS and thinking of getting the JCW exhaust from John Cooper(i know i cant get from BMW), but which one of the below is the one that is supplied on a JCW MCS, basically i wnt the same exhaust set-up as a JCW MCS.

Also, exhuast being the same as a JCW apart from a chrome bit on the end, would this cause any warranty problems? in theory you wouldnt think so, but would like some opinions

Thanks in advance

ButtonIt · Aug 30th, 2005, 09:58 AM

"Catback" basically means from the Catalytic Convertor backwards. So you're leaving the original manifold and Cat in place and just changing out the rear sections.

Companies like Miltek and Janspeed do full systems including Manifold, Sports Cat and rear sections. The JCW I believe is just a Cat-back. No doubt someone will correct me on this....

ButtonIt · Aug 30th, 2005, 09:58 AM

BTW I have the Miltek cat-back on my MCS and it's great

uncle albert · Aug 30th, 2005, 12:09 PM

I believe the difference between the two exhausts you show is that the one on the left has a resonator built in (which would go right after the cat) whereas the one on the right doesn't - this might be what is referred to as a straight-through exhaust (therefore, louder).

Aug 30th, 2005, 09:43 AM	#1
venox22 only the brave! Join Date: Dec 2004 Location: Lincs Local Time: 03:34 AM Posts: 1,290 Offline	Catback Question Right then im probably in for a telling off here! When ppl refer to a 'catback' exhaust what does this mean? Have a MCS and thinking of getting the JCW exhaust from John Cooper(i know i cant get from BMW), but which one of the below is the one that is supplied on a JCW MCS, basically i wnt the same exhaust set-up as a JCW MCS. Also, exhuast being the same as a JCW apart from a chrome bit on the end, would this cause any warranty problems? in theory you wouldnt think so, but would like some opinions Thanks in advance Attached Thumbnails

Aug 30th, 2005, 09:58 AM	#2 (permalink)
ButtonIt The Disorganiser My Classifieds Join Date: Jul 2003 Location: Waiting for others Local Time: 02:34 AM Posts: 15,379 Offline	"Catback" basically means from the Catalytic Convertor backwards. So you're leaving the original manifold and Cat in place and just changing out the rear sections. Companies like Miltek and Janspeed do full systems including Manifold, Sports Cat and rear sections. The JCW I believe is just a Cat-back. No doubt someone will correct me on this.... Sponsor our Rickshaw team, please click here for info

Aug 30th, 2005, 09:58 AM	#3 (permalink)
ButtonIt The Disorganiser My Classifieds Join Date: Jul 2003 Location: Waiting for others Local Time: 02:34 AM Posts: 15,379 Offline	BTW I have the Miltek cat-back on my MCS and it's great Sponsor our Rickshaw team, please click here for info

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Aug 30th, 2005, 12:09 PM	#4 (permalink)
uncle albert MINI2 Master Join Date: Apr 2005 Location: Hereford/Cwmbran Local Time: 02:34 AM Posts: 797 Offline	I believe the difference between the two exhausts you show is that the one on the left has a resonator built in (which would go right after the cat) whereas the one on the right doesn't - this might be what is referred to as a straight-through exhaust (therefore, louder).

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