Fabspeed Porsche 992 Carrera Sport Headers (2019+) Macan GTS 2.9L (2019-2021) the rumble at idle is

the rumble at idle is significantly improved and adds a much-needed pop and burble on the downshifts

also known as the shuttle valve

14 Baseline 334

Complete high performance exhaust

Fabspeed Porsche 992 Carrera Sport Headers (2019+) Macan GTS 2.9L (2019-2021) the rumble at idle isTQ: +13 WT (lbs): 6 Fabspeed Motorsport Sport Headers for the 992 Carrera are a perfect start or finish to anyone looking for more performance, tone, and sports car sound out of your Carrera. SOUND: High performance sport headers will allow more sports car sound, smoother exhaust flow, and acceleration on higher rpms to be extended. Resulting in more pops and burbles on downshifts, theres nothing more descriptive than saying driving your Turbo will