they are definitely worth the investment. all the fastest ported guys and up have long tubes. Plus they are only going to be more beneficial the more modifications you do.
they are definitely worth the investment. all the fastest ported guys and up have long tubes. Plus they are only going to be more beneficial the more modifications you do.
The peak number might be around the 20-25rwhp neighboorhood on a whipple car at a decent amound of boost. But, I have seen before and after graphs where they increased the midrange up in the 40's. they definitely will smooth out your power band.