The delivery time is approximately 2 months after the order is confirmed 
The delivery time for the graphite metallic tail is approximately 3-4 months

ETA times may vary 

ETA times are only a guide

Difference Between Sports and Mild sound is the Volume of the Exhaust note

[Mild Sound] The 4-pipe tail end
is specially designed for the Lexus RX350 2022+
, creating a powerful look. You can choose from 4 types of tail ends: stainless steel, titanium, carbon, and graphite metallic, depending on your preference. The
tail end part is also slide-type, so it can be adjusted forward and backward.
It is designed to fit various rear bumper shapes.
It is designed to only slightly increase the volume from the original muffler.
It is JQR certified, so you can use it with confidence as it is a vehicle inspection-compliant product

Suitable for TRD Rear Bumper Diffuser or OEM F sport rear diffuser