PirateViper
Enthusiast
Ive ran this by a few very experienced viper people and now ill take it to you guys.Anybody running high flow cats on your gen 4 and whats your experience or problems.Thanks.
I have high flow cats on mine and aside from the rare code it may throw, it is awesome and passed the strict New Jersey emissions inspection with flying colors! Only catch is that you may need earplugs driving with the top down or windows open when on a highway, especially if you are next to the barrier. It really makes the car so damn loud!!!!!
Good to hear Hoboken....mines throwin CEL now and hoping it goes away!
Good to hear Hoboken....mines throwin CEL now and hoping it goes away!
Before and after dyno runs....same dyno, very close environmental conditions. That said, I did not have enough miles on the PCM for the computer to "learn" the new system is what I have now been told. Will dyno again and find out.
Before (red) was with Corsa catbacks being the only mod. Dyno Video here.
After (blue) was with Mopar PCM, Belanger headers, cat delete, and straight pipes. Dyno video here. Video here with decibel meter showing comparison. This comparison video was shot with the same camera, same mic, from the same distance.
Port and polish intake next to put about 20HP on it from 3000rpms to redline.
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Before and after dyno runs....same dyno, very close environmental conditions. That said, I did not have enough miles on the PCM for the computer to "learn" the new system is what I have now been told. Will dyno again and find out.
Before (red) was with Corsa catbacks being the only mod. Dyno Video here.
After (blue) was with Mopar PCM, Belanger headers, cat delete, and straight pipes. Dyno video here. Video here with decibel meter showing comparison. This comparison video was shot with the same camera, same mic, from the same distance.
Port and polish intake next to put about 20HP on it from 3000rpms to redline.
You must be registered for see images
Are you running any intake mods like a dual K&N kit or stock air box?
Why is the installation tweak of HF Cats not shared? It would seem like a win/win to me.
Sorry CC. Missed the response.Why is the installation tweak of HF Cats not shared? It would seem like a win/win to me.