Dinan 21-27 BMW M3/M4 (G80/G82/G83) High Flow Middle Exhaust - 3in - Stainless Steel

This middle exhaust itself removes the hydro-formed factory center section from the secondary catalysts back to the axle back, including both resonators, and replaces it with larger 3-inch T304 stainless steel tubing for freer flowing capabilities. In place of the forward factory resonator, Dinan incorporates a beautifully crafted X-pipe made from mandrel-bent tubing for minimum restriction, unlike stamped X-pipes which are commonplace in the market. This hand-made 'X' is not only the focal point of the system in terms of aesthetics but also the star when it comes to the effects on the sound. Promoting even flow to both banks of tips, the 'X' removes unwanted nuances in sound caused by uneven exhaust flow that is present in the stock system. Along with the inherent benefit of increased volume by removal of the resonators, the Dinan X-Pipe for the G8x M3/M4 produces a louder, smoother, and fuller exhaust note that will deliver smiles time and time again. Stainless Steel - 3" - G80/G82/G83 Only confirmed to fit with the Dinan Free Flow Axle Back and stock exhaust systems (including M Performance). Fitment with other axle back units is not guaranteed.

• Deletes resonators between the secondary catalysts and rear muffler for increased volume
• 5-pounds lighter than the stock mid-section (Stock: 22-pounds vs. Dinan: 17-pounds)
• Includes X-pipe crossover made from mandrel bent tubing for minimum restriction
• 76mm (3-inch) tubing replaces stock 70mm (2.75-inch) tubing for free flow
• Factory-like fitment with included mounting hardware
• 100% 304 stainless steel construction
• Smoother, louder and sportier sound

Enhance your BMW M3 or M4 with the Dinan High Flow Middle Exhaust System, designed specifically for models from 2021 to 2023. Crafted from 100% 304 stainless steel, this system replaces the factory center section, removing the resonators and secondary catalysts to deliver a more aggressive and refined exhaust note. The larger 3-inch mandrel-bent tubing ensures minimal restriction, providing increased airflow and performance benefits. This modification not only boosts horsepower and torque but also contributes to a noticeable reduction in weight, making your vehicle more agile and responsive. The system's precise fitment and included mounting hardware ensure seamless installation, maintaining factory-like quality and reliability. The focal point of this upgrade is the meticulously crafted X-pipe crossover, which promotes balanced exhaust flow between both banks, reducing unwanted tonal nuances and resulting in a smoother, louder, and sportier sound. This exhaust system is compatible exclusively with Dinan Free Flow Axle Back and stock exhaust configurations, ensuring optimal performance and fitment. Designed for enthusiasts seeking a dynamic sound and improved exhaust flow, this system transforms your BMW's driving experience, making every ride more exhilarating.

Features:

• Deletes resonators between the secondary catalysts and rear muffler for increased volume

• Constructed from 100% stainless steel for durability and corrosion resistance

• Mandrel-bent X-pipe crossover made from minimal restriction tubing for optimal airflow

• Upgrades from 2.75-inch to 3-inch tubing for increased flow and performance

• Lighter weight than stock mid-section, reducing vehicle weight by approximately 5 pounds

• Factory-like fitment with included mounting hardware for straightforward installation

• Creates a louder, smoother, and more aggressive exhaust note

• Compatible only with Dinan Free Flow Axle Back and stock exhaust systems

Fitment:
BMW M3 Base 2021
BMW M3 Base 2022
BMW M3 Base 2023
BMW M3 Base 2024
BMW M3 Base 2025
BMW M3 Base 2026
BMW M3 Competition 2021
BMW M3 Competition 2022
BMW M3 Competition 2023
BMW M3 Competition 2024
BMW M3 Competition 2025
BMW M3 Competition 2026
BMW M3 Competition xDrive 2022
BMW M3 Competition xDrive 2023
BMW M3 Competition xDrive 2024
BMW M3 Competition xDrive 2025
BMW M3 Competition xDrive 2026
BMW M4 Base 2021
BMW M4 Base 2022
BMW M4 Base 2023
BMW M4 Base 2024
BMW M4 Base 2025
BMW M4 Base 2026
BMW M4 Competition 2021
BMW M4 Competition 2022
BMW M4 Competition 2023
BMW M4 Competition 2024
BMW M4 Competition 2025
BMW M4 Competition 2026
BMW M4 Competition xDrive 2022
BMW M4 Competition xDrive 2023
BMW M4 Competition xDrive 2024
BMW M4 Competition xDrive 2025
BMW M4 Competition xDrive 2026
BMW M4 CSL 2023