NiNJA Is the Most Well known Stealth Service in the Community. With their Team of best Coders around they have made Bypassing Microsofts Security Easy and have made Tons of Dollars doing it. They have there stealth up in running in no time once a new dash board releases. Fast, Reliable, Longest Recorded Unban Times "13 Months" you wont have to buy a kv again (Unless its Shared)
On the down side NiNJA is the Most Expensive Charging $90 each month with No 24 Hour Interval "Which means your time doesnt stop even if your not playing online.