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View Full Version : secondary cat delete



sako818
07-08-2014, 12:03 AM
Ok so i currently am running no muffler replaced with straight pipe and for the resonator i have a magnaflow glasspack. I was wondering what would happen if i straight piped the secondary cats. Also what if i put an xpipe in place of the secondary cats. How would it sound and what type of gains/loses will i encounter. BTW its a 1999 c280

vaspen
07-08-2014, 01:21 AM
Only way to tell is try it we ran a exhaust shop n it's always trial and error worst that could happen is loud and raspy but u have a glaspack so worst is loud lol

SnowwhiteMerc
07-09-2014, 10:04 AM
you have instagram? I have a vid of how it sounds, look on my page illest_optics,,,scroll down a bit...but sounds good not too loud, i ran 3inch straight back, replaced resonator and cats

sako818
07-09-2014, 02:06 PM
Ohhh yeahh. I took off the cats and now im finally straight piped. No secondary cats, magnaflow glasspack resonator (somewhat like a straight pipe) and no muffler. Sounds like a beast.

svt ricco
07-10-2014, 08:33 AM
Post a video of how it sounds

sako818
07-11-2014, 10:28 PM
https://www.youtube.com/watch?v=WXUCIv12yrs

sako818
07-11-2014, 10:28 PM
https://www.youtube.com/watch?v=mkBuH-_WIic

hazeak
07-28-2014, 03:00 PM
so you removed all the cats? sounds like a beast

sako818
07-31-2014, 10:25 AM
Thanks. And no, I straight piped the secondary cats. The primary cats are still on. Also changed the resonator and straight piped the rear muffler.