Reduces chassis flex

The 4-1 headers usually have less back-pressure than the 4-2-1 header and customers have stated their cars seem louder at high RPM with the 4-1 headers

35" Width: 3

Direct fit for 1999-2005 Mazda Miata

HARDRACE:6263

Assetto Regolabile YELLOW SPEED RACING YSR ADVANCED PRO PLUS 3-WAY GRAVEL RALLY COILOVERS SUBARU IMPREZA WRX STI GRB GRF 08-14 Lancer Evo 9 Reduces chassis flexMonta su: SUBARU IMPREZA WRX STI GRB GRF 08 14 note WRX STi 2. 0L 2. 5L (front clevis width = 30mm) (PCD114. 3) Supporti superiori anteriori P U*: Aluminum Pillow Ball Upper Mount with camber plate Supporti superiori posteriori A U or P U*: Aluminum Pillow Ball Upper Mount with camber plate spring rate anteriore 6KG spring rate posteriore 6KG top mount opzionali Em Power rivenditore autorizzato YELLOW SPEED per l'Italia. Yellow Speed uno degli ultimi