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will test pipes throw a CEL? Catalytic converter inefficiency?
+1! I'm debating on having Dave put TP's on after the HKS. I'm going to flash it too, but think TP's might be a bit overkill since I don't want it loud as eff.
+1! I'm debating on having Dave put TP's on after the HKS. I'm going to flash it too, but think TP's might be a bit overkill since I don't want it loud as eff.
Definitely consider getting some resonated test pipes. I had AAM non-resonated test pipes along with my Injen true dual track edition exhaust and it sounded raspy as fuxk. Then I switched to some UTR resonated test pipes and all the rasp was gone.
In terms of CEL, just get some defoulers and you'll be fine. NOOBS!
Definitely consider getting some resonated test pipes. I had AAM non-resonated test pipes along with my Injen true dual track edition exhaust and it sounded raspy as fuxk. Then I switched to some UTR resonated test pipes and all the rasp was gone.
In terms of CEL, just get some defoulers and you'll be fine. NOOBS!
Explain a little more...i drive subaru not z so its only natural i ask questions.
Explain a little more...i drive subaru not z so its only natural i ask questions.
haha.. I was just teasing Chen. Well basically there're sensors hooked up to the O2 bung on the stock cats. When you replace test pipes, the sensors are are connected to the O2 bung on the test pipes. But since the air/fuel that goes through the test pipes are different compared to stock CATs, the car throws a CEL thinking something's wrong. You can add defoulers which are pretty much "spacers" for the O2 bung that would trick to sensors to think that the A/F is fine so you don't get CEL. The defoulers cost a few bucks from any auto stores and are super easy to install if your car's on a lift.
couldnt you just get it the CEL cleared if you get the ECU reflashed or tuned?
You can clear the CEL using any ODBII Reader. The problem is the CEL will come back eventually. Not sure if ECU reflash/tuned will do the trick. Even if it does, it's such an overkill.... Defoulers cost literally a few bucks!
ooo gotcha and all this time i have been saving my money to get a tune and all i needed was the defoulers lol guess i will just get both
Tune for NA is kinda pointless . Even if you have test pipes, exhaust, plenum spacer, intake, the variable is still very small that I'm not sure if it's worth that couple hundreds bucks of tune.
Tune for NA is kinda pointless . Even if you have test pipes, exhaust, plenum spacer, intake, the variable is still very small that I'm not sure if it's worth that couple hundreds bucks of tune.
so what your saying is i should just say ef it and go FI? lol i like where your head is at
haha.. I was just teasing Chen. Well basically there're sensors hooked up to the O2 bung on the stock cats. When you replace test pipes, the sensors are are connected to the O2 bung on the test pipes. But since the air/fuel that goes through the test pipes are different compared to stock CATs, the car throws a CEL thinking something's wrong. You can add defoulers which are pretty much "spacers" for the O2 bung that would trick to sensors to think that the A/F is fine so you don't get CEL. The defoulers cost a few bucks from any auto stores and are super easy to install if your car's on a lift.
Tune for NA is kinda pointless . Even if you have test pipes, exhaust, plenum spacer, intake, the variable is still very small that I'm not sure if it's worth that couple hundreds bucks of tune.
08-11-2009, 11:22 AM
