HKS Hi Power Spec-L2 Exhaust for 2015+ WRX/STi (31019-AF130) Haltech Add some additional reliability and

Add some additional reliability and engine bay styling with the Mishimoto V6

lighter retainer allowing for higher RPM and more valve control

To keep the symmetry that Nissan designed into the VQ37VHR engine bay

installing high lift camshafts in these engines may create unnecessary belt vibration leading to the pulley spinning off the rotating assembly

HKS Hi Power Spec-L2 Exhaust for 2015+ WRX/STi (31019-AF130) Haltech Add some additional reliability andThe HKS Hi Power Spec L2 cat back dual exit exhaust is a light weight design made from stainless steel construction with burned blue tips. 54% lighter than the stock catback exhaust. Vehicle Fitment: 2015 2020 Subaru WRX 2015 2020 Subaru STi Features: SUS304 stainless steel construction Burned blue tips HKS exhaust weighs 33 pounds Tips 94mm Includes: Catback Exhaust Gaskets & Hardware New Part Number: 31019 AF130 (With blue tips) Old Part Number: