PTG M139 Street Blow Off ValvePTG Street Valves are a simple soloution for venting turbocharger pressure to atmosphere giving you the distinctive turbocharger blow off sound. The install process is straight forward to give you a diy friendly upgrade. Kit Includes: One Grey Anodized Billet Aluminum Blow Off Valve Spacer Needed Hardware and Sealing Rings Fits: All M139 Powered AMGs (CLA 45, A45, GLA 45)
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