markA

hi I have 01 is300 and trying to make some upgrades, tried AEM intake and didn’t work lost power, check light came on but when I installed stock beck on no problem but yes its sounds gooooood but no use for sound if no hp, so if you have any suggestions or know hove to fix this problem or get more hp for dissent amount of money that you tried and it works please let me know thank you.

amy011079

The only thing I could suggest is getting an SAFC and getting the car tuned. Other then that I can't imagine why you would lose power. Good luck.