Well... this winter I would like to change my 2.5 inch DP for a 3 inch I would do it by myself... I want a better spool time on my D16Z6, SC 50 .63ar, I think that the 3 inch DP would help..

I will also port my D16Y8 intake manifold cuz I dont want to spend more $ on my engine for at least 2 years so I wont buy an aftermarket IM ( time to get a home loll ) and do some porting on my head to found some cfm on a flowbench.

So do I really need to get a tunning session or I could run the car with my map ?

Thanks !

 

you do NEED to re tune after this but if you want to get the best result outta this upgrade you might want a little dyno time

 

ok thanks nut I think I could run the car to the shop.... its like 2 hours from here. If I dont put the car in boost too much.

 

yep definatley get it retuned. you are going to see quite a difference from just the dp alone.