Porsche Maxflo Performance Side Exhaust System - 911 | 2012-2016 FS-POR-991-MAX34P 996-352-939-03 is a small metal ring

is a small metal ring used to secure components on a shaft or in a bore

911 Turbo (2007-2013) and 911 Turbo S (2011-2013) models

and are heat-treated prior to thread rolling and machining

Porsche Quarter Window Frame (Left) For Porsche 911 (1974-1977) Models

Porsche Maxflo Performance Side Exhaust System - 911 | 2012-2016 FS-POR-991-MAX34P 996-352-939-03 is a small metal ringPorsche Maxflo Performance Side Exhaust System For Porsche 991 Carrera (2012 2016) Models. SOUND: Enhanced Exhaust Note: Delivers a slightly throatier and deeper exhaust sound throughout the RPM range. POWER: Performance Gains: Achieves peak gains of 15 whp and 11 ft lbs of torque. Increased Power Across RPMs: Noticeable power improvement throughout the entire RPM band. FEATURES: Compatibility: Compatible with factory OEM headers and center muffler.