Valves
Porsche 991 GT3 / GT3 RS
Porsche 991 GT3 / GT3 RS muffler bypass
Muffler bypass with pneumatic valve and exclusive sound.
AISI 304 Stainless Steel
Price on requestI Want This Sound →
Porsche 991 GT3 / GT3 RS
2013 - 2019Flat-6 4.0L NA 500-520hp
The Lettieri exhaust system for Porsche 991 GT3 / GT3 RS is designed to enhance this engine's unique character. Optimized manifolds, hand TIG welding, ceramic insulation. Made in Maranello since 1987.
Available Products
Shipping & Installation
Worldwide shipping available. Installation can be arranged through our dealer network.
Lead time: 4-5 weeks