QubedCobalt
Junior Member
I have a hdc3 10 looking to design a 4th order for my 2008 cobalt coupe. I can build it just need help with the design. Thanks in advance.
I would do a 6th or ported, not a 4th
OP talk to this man, he knows what's up.I've actually designed a 6th order for a cobalt with a hdc310