14-'17 Vehicles have oval openings in rear valance. '18-'25 Vehicles have rectangle openings. This 2.25" diameter BORLA? Axle-Back system features single 4.25" x 3.5" oval polished T-304 stainless steel tips on each muffler assembly. It delivers the classic S-Type sound level with no drone inside the vehicle. BORLA? Cat-Back* & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA? Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA? stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
S-Type Axle-Back Exhaust System 2014-2025 Lexus IS 250/ IS 350/ IS 350 F Sport 2.5L/ 3.5L V6 Automatic/ Manual Transmission Rear Wheel Drive/ All Wheel Drive 4 Door.
2014-2025 Lexus IS 250/ IS 350/ IS 350 F Sport 2.5L V6/ 3.5L V6 Automatic/ Manual Transmission Rear Wheel Drive/ All Wheel Drive 4 Door.

Fitment:
2014 Lexus IS250 Base
2014 Lexus IS250 C
2014 Lexus IS250 C F Sport
2014 Lexus IS250 F Sport
2014 Lexus IS350 Base
2014 Lexus IS350 C
2014 Lexus IS350 C F Sport
2014 Lexus IS350 F Sport
2015 Lexus IS250 Base
2015 Lexus IS250 C
2015 Lexus IS250 C F Sport
2015 Lexus IS250 F Sport
2015 Lexus IS350 Base
2015 Lexus IS350 C
2015 Lexus IS350 C F Sport
2015 Lexus IS350 F Sport
2016 Lexus IS350 Base
2016 Lexus IS350 F Sport
2017 Lexus IS350 Base
2017 Lexus IS350 F Sport
2018 Lexus IS350 Base
2018 Lexus IS350 F Sport
2019 Lexus IS350 Base
2019 Lexus IS350 F Sport
2020 Lexus IS350 Base
2020 Lexus IS350 F Sport
2021 Lexus IS350 F Sport
2022 Lexus IS350 F Sport
2023 Lexus IS350 F Sport
2024 Lexus IS350 F Sport
2024 Lexus IS350 F Sport Design