Haven't been able to get it on the car yet but think it should have been a lot cleaner than it is

Notice notice the immediate difference even just in the idol feels like the 15 horsepower gain is there

Notice notice the immediate difference even just in the idol feels like the 15 horsepower gain is there

I just bought the outlet porting for my 04 Monte carlo and it dropped all of my 2.5* of KR all the way to 0. I dropped down from a 3.5in pulley to a 3.4in Pulley and man it pulls so much harder with no KR. Torque steer is incredible, one side of the car picks up and the other side pushes down, feels like I'm in a rear wheel drive car ahaha! The main mods i had before the ported supercharger was zzp computer, zzp front and rear exhaust manifolds, cold air inductins cold air intake, 180* thermostat, tr6 sprak plugs, 3.5inch pulley, zzp catless 2.5inch downpipe, shorter dog bones, poly dog bone mounts, zzp poly upper engine mounts(the square blocks that connect to the dog bones), and solid transmount. Now with the ported supercharger it dropped 2.5* of Kr which made a huge differance in power before the pulley drop, it can definatly get rid of more KR. If i where you just spring for the inlet and outlet porting, your gains will just be even better. Now i have to take the car apart at a later date like i am to get the Inlet ported. Just get the inlet and outlet ported its worth the extra money. I highly recommend this mod to everyone in every build! Great job ZZP! Doing stuff right as always!! If a 17 year old can install this in 1 day, so can you!

I just bought the outlet porting for my 04 Monte carlo and it dropped all of my 2.5* of KR all the way to 0. I dropped down from a 3.5in pulley to a 3.4in Pulley and man it pulls so much harder with no KR. Torque steer is incredible, one side of the car picks up and the other side pushes down, feels like I'm in a rear wheel drive car ahaha! The main mods i had before the ported supercharger was zzp computer, zzp front and rear exhaust manifolds, cold air inductins cold air intake, 180* thermostat, tr6 sprak plugs, 3.5inch pulley, zzp catless 2.5inch downpipe, shorter dog bones, poly dog bone mounts, zzp poly upper engine mounts(the square blocks that connect to the dog bones), and solid transmount. Now with the ported supercharger it dropped 2.5* of Kr which made a huge differance in power before the pulley drop, it can definatly get rid of more KR. If i where you just spring for the inlet and outlet porting, your gains will just be even better. Now i have to take the car apart at a later date like i am to get the Inlet ported. Just get the inlet and outlet ported its worth the extra money. I highly recommend this mod to everyone in every build! Great job ZZP! Doing stuff right as always!! If a 17 year old can install this in 1 day, so can you!