Description
Tuned Length 4-1 Extractor Package (Header, Flex Pipe)
Package includes.
- Primary Pipe 1 1/2″ – 38mm Outside Diameter
- Outlet 2 1/4″ – 57mm Outside Diameter
- Flex Pipe – 2 1/4″ – 57mm Outside Diameter with flex joint
Racing Performance Works Race Header Systems are designed as the complete “Direct Bolt on Package” meaning no further components or parts are required.
The system is designed to bolt directly up to the original flange point on the stock catalytic converter.
Application
- Originally designed for Mitsubishi Mirage 4G15 DOHC 16v Engines
- Will fit other 4G15 / 4G18 engines but may require modifications to the flex pipe.
Anonymous –
Great stuff , on 2006 UK version Lancer need small correction with flex pipe.
Standard 98bhp and 150Nm of torq before install .
After fitting 4-1 racing header with sport cat back system and cold air intake power rise up to 118bhp and 178Nm of torq.
Highly recommended.