Spectre Cadillac STS-V ProFab Muscle Car Air Intake
Here is what the Spectre PROFAB Muscle Car Air Intake for the 06-09 Cadillac STS-V sounds like.
STS V with custom Magnaflow Exhaust.
Cadillac STS V with custom magnaflow setup. a couple of WOT runs, great sound! hardly any drone!