Exhaust› Exhaust Pipes, Systems and Components

CMST Tuning

Valvetronic Exhaust System

$2,513.00

SKU: CMS25-Q50EXHAUST

In Stock
In Stock
Ships by Aug 3
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The CMST Tuning Valvetronic Catback Exhaust System offers a sophisticated solution for customizing your Infiniti's exhaust note and performance. This system features a unique Valvetronic design, controlled remotely, allowing you to seamlessly switch between a quiet mode for everyday driving and an aggressive, loud tone when desired. The system integrates with your engine's vacuum source and utilizes a Bluetooth-enabled OBDII module to manage the electronic exhaust valve, providing instant control. With the valve open, exhaust gases flow more freely without passing through mufflers, which can lead to increased horsepower. The open valve can also contribute to a slight increase in boost pressure on turbocharged engines. The package includes a Y-pipe with resonators, dual Valvetronic mufflers, dual chrome tips, and the CMST Valvetronic Remote. This catback exhaust system is specifically designed for the Infiniti Q60 (2017-2022) and Infiniti Q50 (2014-2022) models.

MIA's Description

It features a Valvetronic system that allows users to switch between quiet and loud exhaust notes via a remote control. This system operates by utilizing engine vacuum and communicating with an OBDII module via Bluetooth to open or close exhaust valves. The system can also be set to an automatic mode, adjusting the valves based on RPM or throttle position.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCMST Tuning
Part NumberCMS25-Q50EXHAUST
CategoryExhaust

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy