View our Specials! Coupon Code: SaveIn2026
Exedy Clutch and Flywheel Sale
X
Vehicle Set: Click here to shop 2018 Lexus IS300 parts.

2018 Lexus IS300 Catback

Looking for aftermarket parts to modify or upgrade your 2018 Lexus IS300 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.

Catback Parts:

Only show in-stock parts

aFe Exhaust Cat Back

aFe
aFe Exhaust Cat Back 49-36059-B
OUT OF STOCK
49-36059-B
This 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
$1,684.00
aFe Exhaust Cat Back 49-36059-C
OUT OF STOCK
49-36059-C
This 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
$1,684.00
aFe Exhaust Cat Back 49-36059-L
OUT OF STOCK
49-36059-L
This 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
$1,684.00
aFe Exhaust Cat Back 49-36059-P
OUT OF STOCK
49-36059-P
This 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
$1,606.00

Borla Cat Back S-Type

Borla
Borla Cat Back S-Type 140956
IN STOCK
140956
Installation REQUIRES cutting the Original Equipment (O.E.) system. BORLA system eliminates the O.E. resonators. This 2.25" diameter BORLA Cat-Back™ system is a True Dual design. The system fits both the '16-'17 Lexus IS200T and the '18-'24 IS300. It features single 4.25" x 3.5" oval polished T-30...
Borla 16-17 Lexus IS200T / 18-24 Lexus IS300 2.25in S Type Cat Back 4.25in Tip - Stainless Steel Tip
2018-2020 Lexus IS300 F Sport
2018-2025 Lexus IS300 Base
$1,397.99
Details

Magnaflow BRE Exhaust Kits

Magnaflow
Magnaflow BRE Exhaust Kits 106-0833
IN STOCK - DROPSHIPS
106-0833
BRExhaust Direct-Fit Replacement Exhaust Kit 106-0833 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0833’...
MagnaFlow BRE Exhaust Kit 14-22 Lexus IS250 IS350 IS200T IS300
2018-2020 Lexus IS300 F Sport
2018-2023 Lexus IS300 Base
$891.00
Details

Magnaflow Catback Exhaust

Magnaflow
Magnaflow Catback Exhaust 15227
IN STOCK
15227
The MagnaFlow Street Series Axle-Back Performance Exhaust System 15227 brings enhanced engine sound and dyno-proven performance to your 2.0L, 2.5L, 3.5L 2014-2023 Lexus with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to ...
MagnaFlow SYS Axle-Back 14-18 Lexus IS350 3.5L
2018-2020 Lexus IS300 F Sport
2018-2023 Lexus IS300 Base
$1,375.00
Details