Hello I build a b20 turbo Vetc with ctr cams t3/t4e turbo compressor AR .50 and turbine .48 my injectors are 450cc, 3bar map max rpm 8100 boost 15 psi and I when to the dyno and my car only give me 274.96 whp and 218 tq my gold is 350 whp what do you recommend to change to get that hp, I tune my car with uberdata, and my exhaust is 2 1/4, I use a 30*12*3 intercooler, 2 1/2 turbo pipes Jg intake manifold, 63mm TB, compression 9.8 to 1 thnx

 

how can you expect to make 350 with a 2 1/4 exhaust..u need 3 inch all the way back .. i have b20 turbo too by the way