Right hand side only.
New, in box.
These are the best and cheapest upgrades to the standard 996tt and 997.1tt intercoolers. Here's the definitive discussion about them: https://www.6speedonline.com/forums/996-turbo-gt2/225492-997-2-intercoolers-wow.html
NRF made (OEM supplier) 997 GT2RS intercooler
Part number 99711064070 NRF part number 30187
http://www.ebay.co.uk/itm/NEW-NRF-INTERCOOLER-30187-/311282640004
Rarely available, except from the dealer at around £550 each.
£220 delivered
New, in box.
These are the best and cheapest upgrades to the standard 996tt and 997.1tt intercoolers. Here's the definitive discussion about them: https://www.6speedonline.com/forums/996-turbo-gt2/225492-997-2-intercoolers-wow.html
NRF made (OEM supplier) 997 GT2RS intercooler
Part number 99711064070 NRF part number 30187
http://www.ebay.co.uk/itm/NEW-NRF-INTERCOOLER-30187-/311282640004
Rarely available, except from the dealer at around £550 each.
£220 delivered