Looking for aftermarket parts to modify or upgrade your Lexus IS300 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your IS300.
Whether you have a 2001 or 2023 Lexus IS300 in Base to Sportcross trim we have you covered. We have 10 catback available to mod your IS300. All parts have free shipping to the Continental US 48 States.
 OUT OF STOCK 49-36058-BThis cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel polished muffler, producing a deep sound. The muffler has a polished finish for ultimate corrosion resistance. Fin... aFe Lexus IS300 01-05 L6-3.0L Takeda Cat-Back Exhaust System- Black Tip 2001-2005 Lexus IS300 Base 2002-2005 Lexus IS300 Sportcross $577.50 SALE |
 OUT OF STOCK 49-36058-CThis cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel polished muffler, producing a deep sound. The muffler has a polished finish for ultimate corrosion resistance. Fin... aFe Lexus IS300 01-05 L6-3.0L Takeda Cat-Back Exhaust System- Carbon Fiber Tip 2001-2005 Lexus IS300 Base 2002-2005 Lexus IS300 Sportcross $577.50 SALE |
 IN STOCK - DROPSHIPS 49-36058-LThis cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel polished muffler, producing a deep sound. The muffler has a polished finish for ultimate corrosion resistance. Fin... aFe Lexus IS300 01-05 L6-3.0L Takeda Cat-Back Exhaust System- Blue Tip 2001-2005 Lexus IS300 Base 2002-2005 Lexus IS300 Sportcross $550.28 SALE |
 OUT OF STOCK 49-36058-PThis cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel polished muffler, producing a deep sound. The muffler has a polished finish for ultimate corrosion resistance. Fin... aFe Lexus IS300 01-05 L6-3.0L Takeda Cat-Back Exhaust System- Polished Tip 2001-2005 Lexus IS300 Base 2002-2005 Lexus IS300 Sportcross $550.28 SALE |
 OUT OF STOCK 49-36059-BThis cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features high-flow 304 stainless steel mufflers, producing a deep sound. Finishing off this exhaust system are dual 4-1/2 IN diameter black 304 stai... aFe POWER Takeda 16-17 Lexus IS200t L4-2.0L (t) 2.5in-3in 304 SS CB Exhaust w/ Black Tips 2018-2020 Lexus IS300 F Sport 2018-2023 Lexus IS300 Base $1,315.05 SALE |
 OUT OF STOCK 49-36059-CThis cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features high-flow 304 stainless steel mufflers, producing a deep sound. Finishing off this exhaust system are dual 4-1/2 IN diameter carbon fiber 3... aFe POWER Takeda 16-17 Lexus IS200t L4-2.0L (t) 2.5in-3in 304 SS CB Exhaust - Carbon Fiber 2018-2020 Lexus IS300 F Sport 2018-2023 Lexus IS300 Base $1,315.05 SALE |
 IN STOCK - DROPSHIPS 49-36059-LThis cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features high-flow 304 stainless steel mufflers, producing a deep sound. Finishing off this exhaust system are dual 4-1/2 IN diameter blue flame 304... aFe POWER Takeda 16-17 Lexus IS200t L4-2.0L (t) 2.5in-3in 304 SS CB Exhaust w/ Blue Tip 2018-2020 Lexus IS300 F Sport 2018-2023 Lexus IS300 Base $1,197.08 SALE |
 OUT OF STOCK 49-36059-PThis cat-back exhaust system is constructed of 3 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features high-flow 304 stainless steel mufflers, producing a deep sound. Finishing off this exhaust system are dual 4-1/2 IN diameter polished 304 s... aFe POWER Takeda 16-17 Lexus IS200t L4-2.0L (t) 2.5in-3in 304 SS CB Exhaust w/Polish Tip 2018-2020 Lexus IS300 F Sport 2018-2023 Lexus IS300 Base $1,197.08 SALE |
 SHIPS FROM MANUFACTURER 10118100GReddy 01-05 Lexus IS300 Revolution RS Cat Back Exhaust 2001-2005 Lexus IS300 Base 2002-2005 Lexus IS300 Sportcross $688.75 |
 IN STOCK 15227Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow Street Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for t... MagnaFlow SYS A/B 14-18 Lexus IS350 3.5L 2018-2020 Lexus IS300 F Sport 2018-2023 Lexus IS300 Base $1,230.00 |