[Mazda_Speedstar]

ok i just got a custome dual exhaust put in and i noticed that the back pressure on one is way more than the other... is there any way to fix this and also when i accelerate hard, it is not always a smooth pick up and i feel some jerks which i think may be cause by the un even flow of air... any advice??!?!?!

 

[Super6]

hello,

I think but I'm not sure if this is correct but it can be an o2 sensor or two. I had them replaced it seems a bit more smoother too, and a little more responsive. Does it jerk when it is cold or when the car is running on normal?

Anthony

 

[Mazda_Speedstar]

it jerks when its normal... any other diagnosis?

 

[superflymx6]

I moved it!

What size pipe do you have?