fuel pump

Hi I have a 04 srt4 stage 2 with turbo toys , my car doesn't start it cranks but doesn't start I had my mechanic take a look at it ,he says it's the fuel pump , so my question is should I upgrade my fuel pump to the 255 walbro or should I stay stick to a stock one , if I do upgrade what do I...

Hi, i have a 2003 srt-4 and im lookin for ways to get more horsepower out of it without tearing into the motor right now. The cars not stock it has a couple of mods including- -Godspeed intercooler -agp wastegate -turbo xs manual boost controller -3 inch down pipe -magnaflow exhaust side exit...