Introduction

In this guide, we will be installing a GFB Respons TMS BOV on our 2004 Mazda MX-5 SE.
Are you looking to achieve that wicked blow-off sound on your turbo MX-5? Look no further than this GFB Respons TMS BOV available here!

Tools and Parts Required

mx-5 gfb bov

Step 1

First, locate the existing Recirculating Bypass Valve in the engine bay. It will be located between the engine and the radiator as shown.

Mazda MX-5 GFB BOV Install

Step 2

Now carefully remove all three hose clamps attached to the valve and slide the hoses off. The valve will now come free.

Mazda MX-5 GFB BOV Install

Step 3

Once removed familiarise yourself with the new part you are installing. The GFB Respons TMS BOV (T9020) is a direct fit in this vehicle and requires no modifications.

Mazda MX-5 GFB BOV Install
Mazda MX-5 GFB BOV Install

Step 4

Go ahead and reattach the three hoses and secure them with the hose clamps.

Note: The third hose that attaches the bottom of the GFB BOV is located underneath the other hoses in the image.

Additional Info

Read the manual GFB supply with the unit with detailed instructions on how to set the Spring Pre-Load and Venting settings

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