This aFe POWER Vulcan Series cat - back exhaust is perfect for those who love to add a bit of excitement to their daily drive or weekend road trips in their 2010 - 2023 Lexus GX460. Whether you're a car enthusiast looking to boost performance or just want a better - sounding ride, this exhaust is for you. It's made of 2 - 1/2 inch mandrel - bent 304 stainless steel tubing and has a 4 - 1/2 inch diameter polished exhaust tip. Installation is easy, so you can quickly start enjoying the aggressive sound and improved power.