It's a new exhaust so it's gonna smell a bit. The hiss is also normal when you put a set of HFCs on the vq37 vhr.
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F.I.CBE|F.I.HFC|20/25mm Z1 Spacers|CS TypeN Wing(cf)|CS Diffuser (cf)|EvoR Fangs(cf)|EvoR Type2 Front Lip|Evor Side Blades|Stillen Gen3|JDM Fog|
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