For the moment i am waiting on the O2 Spacers. Without them it runs lean (I mistakenly cut the rear O2 ports and lowered them). As soon as i install them i will let you know.
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im just waiting to hear back from OP, i dun want a CEL light.
I installed the spacers for the O2 Sensors.I had to cut into half it would screw because i had modified the rear hole.
The car runs great, i also did the adaptation erase of everything. The only problem i have are the throttle body boots, they bend when i accelerate. Most say it is due to the boot quality. I will check that tomorrow i'll install another pair. As for the headers torque increase is humangous :D as for the acceleration and HP wise can't test is fully due to the boot mentioned above. Another thing CEL light hasn't showed up since then :) but when running obd2 scanner it reads rear banks lean and stuck. Maybe due to the spacers leading to incorrect values but no CEL and engine runs smooth as rear O2 sensors don't contribute to AFR as i thought. The only purpose is to check catalytic efficiency.
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how does it sound OP?
vids please?
any sound clips from the outside?