Invidia Q300 Axle-Back Exhaust System. The Invidia Q300 Exhaust features a flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater horsepower, torque gains and a rich deep sporty sound.
Hi, I bought invidia q300 for my lexus is350 2014 and I was very excited about it but it doesn't sound great as other people lexus is350 even though they have same invidia q300 axel back. Their lexus exhaust is loud and have more exotic sound.