Primary & Secondary Cats + Resonator (All Deleted)
05-29-2012, 10:09 PM
#1
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Primary & Secondary Cats + Resonator (All Deleted)
I searched and everyone removed the Secondary cats and resonator.... well i did it too! 
But has anyone also removed the primary cats?..Its too loud??
Do you lose power? (backpressure problem?)
But has anyone also removed the primary cats?..Its too loud??
Do you lose power? (backpressure problem?)
Last edited by paqueras; 05-29-2012 at 10:12 PM.
06-02-2012, 10:15 AM
#2
Super Member
I removed my primary cats and resonator. It's loud enough the way it is, I would imagine that removing the secondary cats would be ridiculous. You don't want backpressure on a f/i car.
06-05-2012, 02:13 PM
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06-05-2012, 06:21 PM
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SRT-6
I removed all 4 cats (Needswings downpipes) and left the rest of the exhaust stock. It has a deeper sound that's also a bit louder but not too loud. The worst is the smell. With small throttle inputs the car doesn't feel as frisky. I think some torque was lost down low. But at WOT you really notice some extra umph.
Les
Les
09-24-2012, 11:06 PM
#6
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My primary cats are shot. Im thinking about just hollowing them out, then I'll have nothing but a muffler. Is this going to be way too loud? And will the check engine light come on?
09-25-2012, 01:27 PM
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But anyway let me know about the sound level!
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09-25-2012, 07:07 PM
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2016 Chevrolet SS, 2006 Cadillac STS-V
I don't know how much different the C32 sounds as far as volume since I haven't really heard one in person, but right now I've got no cats or resonator with Kleemann headers on my car and it sounds perfect. I wouldn't mind it being a little louder actually.
09-25-2012, 07:22 PM
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2002 C32 AMG, 2013 GLK 350/4, 2015 E63S AMG Wagon
09-28-2012, 12:28 AM
#10
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If you still get the CEL, try these. http://www.verociousmotorsports.com/...Jam-Nut-304-SS They do the trick for me.
So i went to gut my cats and one was already gutted, I guess it blew out the exhaust because it was nowhere to be found
and the other was still in tact so I just left it in. Car is louder, but it almost sounds like my whole exhaust is rattling or something, doesnt sound too good so I'm not sure whats goin on
