I dont know if anybody else has this problem but for me 1st gear does not really go into boost, even at 4000+ rpm the boost stays near .03 hkpa. This is during normaly driving. I am always getting beat to the jump by the car in the next lane. If I rev a little and get on it hard, then the car screams. But I dont want to be driving like that all the time. Could this be an exhaust leak or something?

I have Cobb stage 2 ecu, Vishnu uppipe, txs stealthback exhaust.

 

No, that's normal. If you wanted better response should have gone with MBC and EM.