hi lads i currently changed my manifold on my type r it had a equal length manifold on it but didn like the sound of it and wanted that rumble back in it so when i was gettin my rebuild done as i was puttin the engine and bits back in i changed and put on a unequal length manifold also a up pipe it has a japspeed down pipe and i think an apexi n1 exhaust on it 3.5 or 4inch but still hasn got that deep burble im after any1 else running there scooby on apexi systems or any help cheers