If it looks too good to be true ... then it likely is!
It'd be a case of buying this ... having annoying issues, or not get substantial power gains ... then wishing you'd gone for a legit kit.
You only want to spend $2.5k ... a cam/CAI intake/exhaust/tune would be the best bang for your bucks IMO.
732rwhp 644 rwtq 2011 Inferno Orange 2SS, STRUT 22" Icon5 Rims & Grille Kit, Mahle Pistons, Manley H-Beam Rods, Competition Valve Grind, Custom CMS Grind Comp Cam, Comp Cams Valve Springs, ARP Bolts, Melling HV Oil Pump, Whipple SC, 3.5" Pulley, 8 Rib Pulley Kit, Innovators West 10% Overdrive Balancer, 1" 7/8 Headers & Borla 3" Exhaust, ADM Twin Fuel Pump Kit, 80lb/hr FIC Billet Tip Injectors, RX Monster Catch Can, Cold Air Inductions Intake, ADM Race Scoop, Mantic 9000 Series Clutch, Hurst Shifter, Eibach Springs. Motor built by PFAFF Engines. Fitted & tuned by Cunningham Motorsports.