Could someone let me know whats wrong with a cheaper one like this BLOX one
http://www.ebay.co.uk/itm/BLOX-INTAKE-MANIFOLD-5-16-SPACER-PLENUM-VQ35DE-NISSAN-350Z-INFINITI-G35-NEW-/130890950154?pt=Motors_Car_Truck_Parts_Accessories&hash=item1e79b5660a
Has anyone ever used this one before or has it just been avoided ?