Remark Axleback | 2022+ Lexus IS500 (RO-TSE5/TTE5-DM)Axleback w Mufflers for 2022+ Lexus IS500 by Remark High flow Quad tip axleback exhaust for Lexus IS500. Aggressive deep tone and slant quad tip styling unique to the IS500. The exhaust sound blends well with the induction sound of the V8. Our system does not become the main focus. You can still hear the glorious sounds of the 5. 0L engine. Start up, and from idle to ~2500 RPM the exhaust is the dominant sound with a low grumble. Above 2500 and while