HKS SSQV4 Blow Off Valve - Universal Aston-Martin-DB9-2016 each stud is centerless ground

each stud is centerless ground to make it as close to perfectly concentric as possible

IS20 or IS38 turbocharger

cat-back exits the (right) passanger-side and has no pre-resonator

the CAT section can be completely removed and replaced with a straight exhaust pipe for track days or drag events if you wish

HKS SSQV4 Blow Off Valve - Universal Aston-Martin-DB9-2016 each stud is centerless groundReliable functionality of the Super SQV 4 is unchanged and utilizes the same mounting flanges as all previous generation SSQVs. This assures compatibility with all optional HKS SSQV inserts, recirculation fittings and recirculation kits. Features: High Quality Aluminum Die Cast Body Silver coated aluminum die cast body. Combines the ultimate in looks and durability in the engine compartment . Metal Die Cast Valve Super SQV4 features include a nickel