Fitment Information Lexus RC300/ RC350 AWD (2015, 2016) Body Style: 2-Door Coupe Engine: 2GR-FSE Chassis: GSC15 / GSC16 Special Notes: Modular design->Midpipe and Rear Section can be interchanged with factory exhaust components. Do Not Use metal polish, cleaners, solvents, etc. containing abrasive chemicals/substances when cleaning titanium tip Specs & Features Catback exhaust - N1 Evolution Extreme Muffler (N1-X) Piping Diameter: 60.5mm. x 2 -> 50mm. x 4 Tip Diameter: 93mm. x 4 Pieces: 5 Exhaust Tip Style: Titanium Round- Dual wall rolled, Angle cut (Riveted) Piping Material: SUS304 Stainless Steel Muffler Material: SUS304 Stainless Steel Muffler Tip Material: Titanium or SUS304 Stainless Steel High-level of quality using tig-welded SUS304 stainless steel uniting quiet performance with high-power performance gains Matched and manufactured for select chassis Patented Megaphone piping structure to produce excellent torque and throttle response throughout the powerband. This piping design allows for a swirling exhaust gas flow effect that has for years produced proven results Product Description The N1 Evolution Extreme is based on the proven performance basics of the N1 muffler which emphasizes optimum exhaust efficiency utilizing a straight-thru layout design. Equipped with an internal hybrid silencer uniting power and free flowing characteristics with effective functional sound resonance. A newly adopted muffler tip completes the tail end of the exhaust that serves both purposes of function and form. Constructed with a light weight titanium material rolled and riveted onto a double pipe structure which acts as a diffuser enabling temperature reduction, meanwhile retaining a sporty heat gradiation appearance. Redline360 sells only genuine and authentic APEXi products.