PERFORMANCE / EST. 2026
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Install

Mk6 GTI: install the APR CI100035-B rear inlet pipe

Replace the rear inlet and preserve its PCV connection.

GUIDE OVERVIEW

Difficulty
Basic · 2/5
Time
2 min read; job time varies
Vehicle / platform
North American Mk6 GTI configuration illustrated in TL100099.
Tools
  • Spring-clamp tool
  • T30 driver
  • Four small screwdrivers
  • Torque wrench
Parts / supplies
  • CI100035-B kit
STEP 01

Remove the original pipe

Lift the engine cover at its corners. Release the MAF-end spring clamp, remove the pipe support T30 screw, and release the upper turbo-coupler clamp. Lift the pipe for access. Release all four PCV connector catches together using four small screwdrivers. Remove the pipe, then the lower clamp and original turbo coupler.

Sources 1

STEP 02

Fit the new coupler

Transfer the lower spring clamp to the APR coupler. Fully seat it on the turbo, orient its PCV connection without straining the hose, and secure the clamp. Reconnect the PCV fitting until all four catches engage.

Sources 1

STEP 03

Assemble and secure

Loosely refit the T30 support screw. Attach the accordion coupler to the APR pipe. Install the pipe between turbo coupler and MAF, with its support bracket under the T30 washer. Secure all hose clamps. Tighten the support screw to 10 Nm and reseat the engine cover.

Sources 1

Products in this guide

Sources / references 1
  1. APR installation instructions ↗Reviewed Oct 8, 2026

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