Ultra Racing Citroen DS4 Side/Other Brace URRT2-1761 new cc The built-in velocity stack smoothly

The built-in velocity stack smoothly reduces airflow from the massive 5" air filter down to the turbo inlet with excellent laminar properties

Only the best materials and design features have been chosen to set the benchmark of 4

GPF-Back (Rear Box Delete) Test Results:

We added two meth bungs for those who are wanting to use water-methanol injection

takes less than 15-20 minutes to install

Ultra Racing Citroen DS4 Side/Other Brace URRT2-1761 new cc The built-in velocity stack smoothlyMounting points 2 Uses original nuts bolts for mounting unless supplied Technical info: BEFORE : On uneven bumpy road, center section chassis will have different level of body flex cause by the weight transfer between front and rear. AFTER : Ultra Racings side lower bar will stabilize the weight transfer between front and rear, it can also minimize the damage from side impact.