EXHAUST SEAL RING 21Exhaust seal gaskets for the ASM 21 (2pcs)..
Induction SilencerINS box for .12 or .21 engines made by OS...
Induction Silencer Filter (3pcs)Replacement induction silencer filters made by OS, 3 pieces included..
Joint Spring SC SeriesSprings to connect header to the pipe...
Manifold Spring (102mm)..
OS Tuned Silencer Complete Set OS Speed T-2080SC header, pipe springs and exhaust gaskets inclu..