just been trying figure out which OTS tune to go for... only other mod i have done is a Ramair induction Kit
i have listed my choices as in "my preference" of high to low.... i would appreciate any feedback from anyone who has installed on their car
1. Pumaspeed MaxD out - they seem to...
COBB Focus RS Hard Pipe Kit availble from FSWERKS!
Replacing the factory plastic tubing with 2.5" mandrel bent piping, the COBB Focus RS Hard Pipe Kit removes restriction and improves airflow to the engine of your Focus RS.
This kit consists of single piece pipes made from mandrel bent...
COBB AccesPORT V3 - Focus RS 2016
The AccessPORT is the industry leading OEM ECU flashing, managing and monitoring assistant.
Unlock power hidden within the ECU by replacing conservative factory settings with more aggressive calibrations.
The result is impressive gains in torque and...