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S50 cats on ebay
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Originally posted by Adz S View PostInteresting. What mods did you have to do?
As the car was minus any cats before it was a case of taking the m3 sports cats and working out the best route for them without fouling anything, restricting flow and ensuring they married up to the rear section which was also custom made.
The fabricator said on one hand it was a bit fiddling as some cutting was needed (you can see the weld in at the top part of the cat pipe) but much better as they were stainless cats rather than the stock 20 year old items. They had to then add a resonator otherwise it would have been stupidly loud!Last edited by Rags; 09-05-2020, 08:18 AM.
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Hey Rags, forgive me for asking - but is your coupe an S54 or S50?
Reason i ask is i thought the S54 manifold/downpipes are level with each other (same as an e46 M3) but the S50 downpipes are staggered. Of course you probably already knew that but trying to gauge how much modifying your fabricator had to do.
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Originally posted by Matty88 View PostHey Rags, forgive me for asking - but is your coupe an S54 or S50?
Reason i ask is i thought the S54 manifold/downpipes are level with each other (same as an e46 M3) but the S50 downpipes are staggered. Of course you probably already knew that but trying to gauge how much modifying your fabricator had to do.
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Only issue I have with that is they want the car onsite to be able to measure up and make something. Which I completely understand, but the car has no mot, so I can't get the car to a shop and I can't get the mot without the cats
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Originally posted by Matty88 View PostOnly issue I have with that is they want the car onsite to be able to measure up and make something. Which I completely understand, but the car has mot, so I can't get the car to a shop and I can't get the mot without the cats
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Originally posted by Dave P View PostNot easy unless you can get it trailered but still a lot of hassle.
Otherwise i think I will attempt to get a bargain set of e46 M3 cats and see how I can make them work.
Would be interesting to hear how loud Rags is with those resonators and whether i could get away without them, just having pipe in between the cats and back section to make up the shortfall. My back boxes are standard so hopefully wouldn't be stupid loud.
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