i just bought a greddy evo2 cat back exhaust from a pp member, well i noticed that on the 1 side of da b pipe theres a flag with two hoes n then on da other side there's a flang with 3 holes and like a 2 inch extension with smaller piping attached 2 it. is that how its supposed to b.i never seend dat before. n i dont have my car right now n wont have it for another 2 weeks. da muffler says greddy but i want 2 make sure that i got the hole greddy cat back exhaust. i need help! thanks i hope u's understand wat im trying 2say...i tried explaining da best i can.