Car Porn XXX The right way to mod..
I also had my guy do the pipes in stianless steel Enjoy
Btw this guy welds so damn nice..My factory welds look like crap to his.
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Personally I havent really noticed a difference in power, but they have been dynoed to gain ~10whp and god it makes the car sound good
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Last edited by c55asleep?; Jun 7, 2009 at 07:37 AM.
If you want more of Mustang / american V8 sound, go ahead and remove ur oem cats..If not, just do the resonator mod..
Recently my friend with SL63 removed his 2nd cat and it sounded like shat.
resonators (2 permanet) and the third removable. I can tune in the sound to my needs It will sound meaner but the resonators will take out most of the rasp. So you will end up with a nice tone.
So here is the set up
Where both cats go (the primary) there will be resonators.
Second cats are gone.
and a 3rd resonator that can be installed and removed so I can tune it down if it gets too too loud. As of right now its ok but I´d like the ability to just bolt in a 3rd if I want to tone it down a bit.
So there you have it. As for the Cats you can bypass the primaries by getting a set of O2 spacers and putting them in. You might want to double stack each one (4 total) to really reduce the amount if (signal) you get. Therefore you will (trick) the secon O2´s into thinking that your cats are still there. And the sweetest part is that they will cost you a total of 15 buck at the auto parts. They are called anti foulers and simply bolts right in then you stack the O2 right on them.
resonators (2 permanet) and the third removable. I can tune in the sound to my needs It will sound meaner but the resonators will take out most of the rasp. So you will end up with a nice tone.
So here is the set up
Where both cats go (the primary) there will be resonators.
Second cats are gone.
and a 3rd resonator that can be installed and removed so I can tune it down if it gets too too loud. As of right now its ok but I´d like the ability to just bolt in a 3rd if I want to tone it down a bit.
So there you have it. As for the Cats you can bypass the primaries by getting a set of O2 spacers and putting them in. You might want to double stack each one (4 total) to really reduce the amount if (signal) you get. Therefore you will (trick) the secon O2´s into thinking that your cats are still there. And the sweetest part is that they will cost you a total of 15 buck at the auto parts. They are called anti foulers and simply bolts right in then you stack the O2 right on them.








