2.5-2?

[T man]

Would welding 2.5in long tubes up to the stock 2in LSC exhaust yield any performance improvement or would there only be an improvement with 2.5in pipes?

 

[driller]

It would be an improvement but it would be a bigger improvement with 2.5" pipes.

 

[Roadboss]

They should be longer than 2.5".

 

[T man]

They should be longer than 2.5".

speaking in terms of diameter