D660-0091 Dinan Performance Exhaust System Instruction Manual

D660-0091 Dinan Performance Exhaust System

Product Information

The Dinan Performance Exhaust System is a high-quality aftermarket exhaust system developed by Dinan Engineering. It is designed to provide increased performance, enhanced durability, and an aesthetic design for your vehicle. The system is specifically designed for the G20 330i, G22 430i, and their respective xDrive models. The exhaust system includes various components such as an inlet tube, rear muffler, hardware kit, and exhaust tips. The exhaust tips are available in both polished and black finishes, allowingyou to choose the style that suits your preferences.

Product Usage Instructions

Before proceeding with the installation, it is important to familiarize yourself with the provided instructions. These instructions will guide you through the installation and modification process. It is also essential to ensure that you possess the required skills and tools for installation. If you are unsure or not confident in performing the installation, it is recommended to seek assistance from a qualified repair facility. If you encounter any difficulties during the installation or if the instructions are unclear, you can contact Dinan’s Technical Support Staff at 800-341-5480 for assistance.

Parts List

The following is a list of components included in the Dinan Performance Exhaust System:

• Dinan Part Number D662-0667: Assy, Inlet Tube – Quantity: 1
• Dinan Part Number D662-0668: Assy, Rear Muffler – Quantity: 1
• Dinan Part Number D663-0363: Hardware Kit – Quantity: 1
• Dinan Part Number D663-0573 or D663-0574: Exhaust Tips (Polished or Black) – Quantity: 2

Additionally, the kit includes various other hardware components such as exhaust clamps, band clamps, valve mount, screws, nuts, washers, and a limiter. These components are necessary for the installation and proper functioning of the exhaust system.

Installation Instructions

1. Before starting the installation, ensure that you have all the necessary parts and tools.
2. Follow the provided diagrams and instructions to remove the stock exhaust system from your vehicle.
3. Attach the actuators, brackets, and springs to the Dinan exhaust valves using the provided hardware. Refer to the diagrams for proper attachment.
4. Transfer any necessary components or sensors from the stock system to the Dinan exhaust system to ensure proper location and orientation.
5. Proceed with the installation of the Dinan Performance Exhaust System by following the detailed instructions provided in the user manual.

It is important to follow the installation instructions carefully to ensure a successful installation and optimal performance of the Dinan Performance Exhaust System. Once installed, you can enjoy the increased performance, enhanced durability, and aesthetic design provided by the Dinan Performance Exhaust System for many years to come. For any further assistance or clarifications, please contact Dinan’s Technical Support Staff at 800-341-5480.

PARTS LIST

Box Contents

D663-0573 OR

D663-0574

| Exhaust Tips, Polished

OR

Exhaust Tips, Black

| 2

2

Kit Contents

REMOVAL OF STOCK SYSTEM

STEP 1:

• Locate the separation point. This point will be marked by a punch mark in the pipe (red circle).
• Support the rear muffler from falling.
• Cut through exhaust pipes at marked point with a suitable tool.
• Ensure the cuts are perpendicular to the pipes.

STEP 2:

• Disconnect the exhaust valve motor on the driver side of the car.

STEP 3:

• To aid access to the exhaust tip clamps, remove the (7x) bolts retaining the rear plastic panel.

STEP 4:

• Use a jack to secure the rear muffler from falling.
• Loosen and remove the nuts (3x) at the rubber hanger mount locations as shown.
• Remove the nuts (3x) and carefully lower the rear silencer section.

STEP 5:

• Loosen and remove the screws holding on the actuator motor
• Remove the spring (1), actuator heat shield (2) and actuator motor (3) from silencer
• These parts will be reused.

STEP 6:

• Remove the (3x) rubber hanger mounts from the stock muffler.
• It is recommended that each one is immediately transferred to the Dinan exhaust system to ensure proper location and orientation.

VALVE-ACTUATOR INSTALLATION

Following the diagrams below, attach the actuators, brackets, and springs to the Dinan exhaust valves using the provided hardware.

DINAN EXHAUST INSTALLATION

STEP 7:

• Install the previously removed rubber hanger mounts on the Dinan hangers.
• Ensure proper orientation as shown
• The bolt holes on both rear rubber hangers will face the exhaust tips.

STEP 8:

• Slide the 85 mm clamp onto the Dinan inlet tube.
• Align the Inlet pipe to the stock exhaust and slide the clamp forward to evenly cover both pipes
• Loosely tighten the clamp to allow for rotation. (Rotation will be needed for final adjustment of the exhaust system.)

STEP 9:

• Slide the 3.5 in clamp over the end of the inlet pipe before installing the rear muffler.

STEP 10:

• Install the Dinan muffler by attaching the hangers and slipping inlet pipe into the rear muffler assembly.
• Properly tighten the bolts retaining the rubber hangers.
• Loosely tighten the clamp to allow for rotation.

STEP 11:

• Plug in the valve motor.

STEP 12:

• Slide the 80 mm clamp onto the tip flange o Align the clamp bolt with the Dinan Logo. (Top side).

STEP 13:

• The tips should be clocked where the middle of the first N is centered. Line up the tips where the bumper is aligned to the tip edge.
• Once the tips are aligned, tighten the tip clamps until tips are secure and do not move.
• Reinstall the rear plastic panel.

Exhaust Adjustment

Small adjustments may be needed on the Inlet Tube in order to center the tips appropriately. The following is recommended.

1. Push the tips up and towards the front of the car.
2. Snug fit all clamps and check tip alignment.
3. Once the tips are even on both sides and spaced between the bumper to your liking, tighten the coupler clamps.
4. Ensure the valve motor is plugged into harness plug.
5. Ensure that the exhaust pipes are not contacting the car subframe. Adjust if necessary.

Clamp Torque Settings

All clamps require to be torqued to 45 ft-lbs.

Thank you for being selective enough to choose a Dinan Performance Exhaust System. The Dinan Engineering Team has spent numerous hours developing this product to assure that you will receive increased performance, enhanced durability, and an aesthetic design. This system was developed for you to enjoy for many years. Ease of installation and maintenance are essential and were considered throughout the design process. Before installation, familiarize yourself with these instructions. They will guide you throughout the installation and modification process. Before proceeding with the installation, confirm that you possess the required skills and tools. If not, please arrange for a qualified repair facility to perform the installation. If you have any difficulties during the installation, or if these instructions are not clear to you, please call Dinan’s Technical Support Staff at 800-341-5480. Again, thank you for choosing Dinan. Enjoy. Installation Instructions- INS660-0091 (-BLK) REV. B

• D660-0091(-BLK)
• G20 330i & xDrive
• G22 430i & xDrive Coupe
• AXLE BACK EXHAUST SYSTEM
• Document Revision: B
• Release Date: 02/17/2023

CONTACT

• Dinan Engineering
• 4800 US Hwy 280 West
• Opelika, AL 36801
• Phone: 800.341.5480

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