Fitment Information Infiniti Q50 Sedan VR30 (2015 2016 2017 2018 2019 2020 2021 2022 2023) Infiniti Q60 Coupe VR30 (2017 2018 2019 2020 2021 2022 2023) Fits RWD and AWD models Fits all trims For VR30DDTT engines only Emissions Compliance This is a downpipe with high flow catalytic converters.  This item does not ship to California. Specs & Features 3.0" mandrel bend stainless steel piping Reduced back to 2.5" at the outlet flange 200-cell metallic high flow catalytic converters Compatible with factory and most aftermarket cat-back exhaust systems 2.5" mandrel bend stainless steel Increase horsepower and torque 100% TIG welded stainless steel Utilize OEM mounting tabs CNC machined v-band flanges Fits OEM v-band flanges Reuse factory v-band clamps J-style O2 sensor extension adapters, allowing secondary O2 sensors to be installed in factory location, without any wiring extension Includes hardware & gaskets Product Description Looking to boost your Infiniti Q50 or Q60’s performance? The PLM Full Downpipes Kit with catalytic converters, designed for 2016-2023 models, is your ticket to unlocking serious horsepower. Owners of 300hp models can expect a thrilling increase of 50-60+ HP, while 400hp models gain a solid 25-35+ HP. Crafted for enthusiasts who crave power without the hassle, this kit blends seamless fitment with top-tier engineering. What sets these downpipes apart? They’re built with 3.0" mandrel-bent stainless steel piping that smoothly transitions to a 2.5" outlet flange, paired with 200-cell metallic high-flow catalytic converters. This means better exhaust flow, more power, and a setup that works flawlessly with stock turbos and most aftermarket cat-back exhaust systems. No need to hunt for extra hardware—the factory-style V-band flanges and OEM mounting tabs ensure a snug, straightforward install. Plus, the included J-style O2 sensor adapters let you keep secondary sensors in their original spots, no wiring tweaks required. Why choose PLM? These downpipes are 100% TIG-welded from durable stainless steel, feature CNC-machined V-band flanges, and come with all necessary hardware and gaskets. Compatible with factory V-band clamps, they’re designed to elevate horsepower and torque while keeping things simple. For Infiniti owners who want proven performance and unbeatable value, the original PLM downpipes deliver results you can feel every time you hit the gas. Ready to transform your ride? This kit’s got you covered.