Dinan Performance Exhaust Components

Fits 2016–2018 BMW 340i and F32 440i

Part #: D660-0057

Overview

The Dinan High Flow Mid-pipe is a performance upgrade designed specifically for the BMW 340i and F32 440i models from 2016 to 2018. Crafted from durable T304 stainless steel, this mid-section replaces the factory center section, including resonators, with straight-through 3.25" tubing to enhance exhaust flow and sound. It is ideal for enthusiasts seeking a more aggressive exhaust tone and improved performance response. When paired with the Dinan exhaust system, it creates a deeper, more pronounced growl that elevates the driving experience while reducing overall weight. This mid-pipe is perfect for drivers looking to optimize their vehicle’s exhaust sound and flow characteristics without extensive modifications. It supports a more spirited driving feel and helps improve exhaust efficiency, contributing to a sportier engine note and potentially better throttle response.

Key Features

This high-flow mid-pipe features a precision-machined design using high-quality T304 stainless steel, ensuring durability and resistance to corrosion. Its straight-through construction minimizes restrictions in the exhaust path, supporting improved airflow and sound. The design reduces weight by approximately 3 pounds compared to the stock component, aiding in overall vehicle responsiveness. The seamless fitment and robust construction make it a reliable upgrade for enhancing your BMW’s exhaust system.

Construction & Design

Constructed from premium T304 stainless steel, the mid-pipe features a smooth, straight-through design that maximizes exhaust flow and sound quality. The high-quality materials and precise manufacturing ensure longevity and resistance to heat and corrosion, making it a durable addition to your vehicle’s exhaust system.

Driving Feel & Feedback

This mid-pipe helps produce a more aggressive exhaust tone, giving your BMW a sportier character. The improved flow can contribute to a slight enhancement in throttle response and engine sound, providing a more engaging driving experience. It is designed to complement the vehicle’s existing performance and sound characteristics without compromising reliability.

Installation & Fitment

Designed for direct bolt-on installation, the Dinan High Flow Mid-pipe is intended to replace the factory section seamlessly. Basic mechanical skills and standard tools are recommended for installation, which typically can be completed in a few hours. Proper fitment ensures optimal performance and sound enhancement.

What’s Included

The package includes the high-flow mid-pipe constructed from T304 stainless steel, ready for installation. Hardware and mounting accessories are included to facilitate a straightforward upgrade process.

Ideal For

This product is ideal for BMW owners seeking to enhance their vehicle’s exhaust sound and flow, especially those aiming for a more aggressive tone and improved driving engagement. It is suitable for enthusiasts who want a reliable, high-quality upgrade that supports a sportier driving character.