Alfa Romeo 4C Rear Diffuser Carbon Fiber Matte, AR4C 056M for Alfa Capristo Alfa Romeo 4C ECE Valved Exhaust with Carbon Diffuser (CES3 Rear exhaust for ALFA ROMEO 4C Coup (1750cc 241 Hp) 2013 > Alfa Romeo 4C Capristo Exhaust Alfa Romeo 4C Performance Exhaust Muffled, AL4C.03.10RA for Alfa Romeo Capristo Alfa Romeo 4C 10Ar04010000 Free Flow Exhaust System with. Demand the Best. Demand Capristo. Capristo Exhaust Systems are engineered and manufactured exclusively at our factory in Sundern, Germany, utilizing advanced 3D laser scanning, CAD design, digital prototyping, and CNC bending milling. Capristo's bespoke Carbon Fiber is engineered and manufactured exclusively at our factory in Sundern, Germany, utilizing advanced 3D laser scanning, CAD design, digital prototyping, and an artistic focus on subtly elevating the aesthetic while maintaining a cohesive design. Technical Highlights: 100% Made in Sundern, Germany Highest Grade T309 (1. 4828) Stainless Steel; similar resonance properties to Inconel, notably used in F1 Proprietary Valves Manufactured by Capristo Premium Catalytic Substrates for Peak Performance Patented Reinforced Design to Eliminate Resonance Manually TIG Welded by Capristo Craftsmen Hand Polished to a Mirror Finish Post Weld Highest Grade Type L Carbon Fiber Weave (OEM Ferrari) Hand Applied Premium German Clear Coating Completely Hand Laid Prepreg Process (No Fiberglass) Proprietary House Cut Billet Steel Molds Cured in Maroso SRL (Italian built) Autoclaves CES3 EVCU1 Installation User Manual