Fabspeed Porsche 991 GT3 Cup Sport Headers (2017 +) Exterior but more subtle as turbos

but more subtle as turbos spool higher

and dyno develop a Porsche 718 Exhaust

IAT Difference with Ambient: Stock 7

2 or a 991 before purchase) (Carrera GTS vehicles require Fabspeed's Deluxe Quad Style Tips)

Fits all BMW E90/92/93 M3 vehicles (2007-2013)

Fabspeed Porsche 991 GT3 Cup Sport Headers (2017 +) Exterior but more subtle as turbosDirect replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range. FEATURES: Fits all Porsche 991 GT3 Cup vehicles 2017+ Includes German imported HJS 200 Cell Tri Metallic Sportcats Optimized for maximum performance with NO catalyst generated check engine light, guaranteed Saves 2 lbs 1 KG from the rear of the vehicle CNC mandrel bent 1pc primary header tubes High velocity Formula 1 motorsports