Nissan Silvia S14/S15 Coolant Overflow Gktech bt50 because the factory boost mapping

because the factory boost mapping is very conservative in an attempt to keep the torque curve flat and the power delivery linear (which totally kills the feeling that you are driving a turbo

- CAD Designed- CNC Laser Cut from 2mm C30 steel- Dimple died for increased rigidity

GT-B BL (4 Door Sedan) 20032007 2

Part # ARP 203-4301

Nissan Silvia S14/S15 Coolant Overflow Gktech bt50 because the factory boost mappingA common issue with the S14 and S15 200sx's (and Silvias) is cracked overflow coolant bottles. We have made these to the highest standards and to be a direct replacement of your standard overflow coolant bottle. 100% direct replacement of your standard overflow coolant bottle Fits both S14 and S15 200sx's and Silvia's Replacement for original part number 21720 65F25