i have a complete TURBO SPECIALTIES K2023TURBO KIT from procivic.com this is a complete kit with everything needed to make your car turbo and intercooled you can see complete list of this kit on procivic.com also included in this sale is H&R sport springs lowers front 1.5 lowers rear 1.3 also included is a 10lbs nx nitrous bottle and nos purge valve kit-all parts are new and in factory packages the turbo kit is 3229.95 from website the springs are 225.97 the plug and play harness is 379.95 this is a total of 3835.87 without shipping and taxes. i dont know the price for bottle and valve exactly but it is around 300.00 -which would bring total to around 4135.87 without shipping and taxes-i will not seperate these parts they are for sale as a complete kit these parts are awesome and will make a si around 330 hp with everyday drive ability on pump gas this is a chance to save big cash and have great parts that will work great -$2800.00 gets it all no bull**** no scams parts are in eastern pa will ship,will deliver if necessary-will take pics of each piece if needed -dont hesitate this will sell fast -call mark at 610-633-7444 7am to 9pm thanks