If just want to add front pipe and overpipe, tune needed to avoid cel?

[OICU812]

I'm second guessing myself.

This year isn't going to provide me all I need find wise and time wise to go with a header and ecu tek tune. However was thinking of biting some of this off by adding a high flow cat front pipe and overpipe to my existing lachute mid pipe and catback exhaust. I realize without a tube I will not reap full benefits of these added pieces however should see some small gains due to less restriction as well get a slightly deeper tone, which... Is all good.

My question is can an individual have everything changed "after" header without tube and have no cel / eng light issues or negative effects?

If I need a tune 100% to avoid CEL issues ill simply wait but looking for feedback from folks that have changed out catback, mid,front,overpipe etc.

Thanks if you can comment.

[xxscaxx]

no tune needed, and you will not get a CEL. There is no o2 sensor in the front pipe, both are in the header which is why people will throw a CEL when the cat is removed from an aftermarket one.

A tune might help a bit with power but I believe there is minimal gain. You will be fine.

[FastLane1000]

Tune Tune Tune! no it won't throw a CEL but your missing out big time without a tune. It doesn't take any time either. You can swap headers and program your ECU in an hour or two. Just takes money which you obviously have enough of. Build looks great!

[FRSGeek]

For this reason is why I went with cat on my fa20club header... :/ (When it finally arrives). I wanted my O2's to be as OEM as before. I dropped the 2nd cat on the front pipe.

Originally Posted by xxscaxx

no tune needed, and you will not get a CEL. There is no o2 sensor in the front pipe, both are in the header which is why people will throw a CEL when the cat is removed from an aftermarket one.

A tune might help a bit with power but I believe there is minimal gain. You will be fine.