2 orion hcca 15's 4th order blowthrough. Just a factual bit of info, orion's 15's are actually more like 16's, they have quite a bit larger piston diameter than any 15 besides maybe a kicker square 15.
2 orion hcca 15's 4th order blowthrough. Just a factual bit of info, orion's 15's are actually more like 16's, they have quite a bit larger piston diameter than any 15 besides maybe a kicker square 15.