2002 Ford Focus St Downpipe Install Guide / Review Guerrilla 2 0t 2004 Guerrilla Exhau

Author Dalbo 29 May 2026

The following instructions will assist you through the installation process With the extensions on the defouler still faces the same way toward the rear side of the car, but at an angle. Please read them before beginning the install to familiarize yourself with the steps and tools needed.

Guerrilla downpipe Ford Focus ST 2.0T 2002-2004 - Guerrilla Exhaust

2002 Ford Focus St Downpipe Install Guide / Review Guerrilla 2 0t 2004 Guerrilla Exhau

This video shows step by step process for installing a downpipe on a focus st If not, car will run with issues loss. The downpipe is from cnt racing with a defouler for the downstream o2 sensor.

I have done all of my installs on jack stands in the garage

Would have done the downpipe when i did the catback but didn't have the funds available Just jack it up and get to work. Make sure you install it in the downstream or farthest from the engine o2 sensor and once everything is tightened down make sure the defouler has a slightly upwards angle so no fuel or liquids. Learn about ford focus st downpipe upgrades including benefits, power gains, costs, and some of the best focus st 2.0t downpipes.

From what i understand the factory intercooler and the factory downpipe are some of the biggest restrictions on this engine I would absolutely recommend getting a downpipe, however i’d consider. Finally wrapped up the install in the garage yesterday I thought doing the downpipe would be much more of a daunting task but it.

ford focus st 225 3Inch downpipe install - YouTube

The following instructions will assist you through your installation process

Please read them first before beginning the install and familiarize yourself with the steps and tools needed. Im about to install new catless downpipe, question is , for sure the light will turn on, using a defouler avoid that