I see a number of folks have replaced their IC piping with hardpipes.

What are the benefits (any disadvantages)?

 

One thing is improved throttle response and depending on design and placement as well as insulation, less heat soak and transfer of heat to intake charge.

 

Most of the ones made are 3" instead of 2.5" and have fewer bends (resulting in better and quicker flow. Your stock piping has rubber flex sections that expand and contract with boost (not good) because it gives you spikes in your boost. A great upgrade ! I would explain more but I have to leave like right now !

 

The main reason I hardpiped my intercooler was just to maintain steady flow through the system. Currenty, my entire airflow travels through hard piping (intake pipe, downpipe, I/C pipe, exhaust). All the other issues are important, too. The hardpipe I have is 2.5" - I don't think it makes a difference with 3" like the exhaust does and it fits the stock ends.

 

You're right Chris. I was in a hurry when I posted that. Oh well. I gotta go !