exhaust smell, and burning smell is diferent, also if your cat is going bad, it will smell like rotten eggs. and it will smell all the time, not just under high rpm. plus i run a s14 dummy cat, so no innards. its prolly just undercoating.
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Drift_ Into A Mountain
Jim Wolf Technology
Stock CA18DET-SR T25-greddy FMIC-JWT SR Lightened FLywheel-300zxTTclutch-SR20DET JWT tuned Ecu
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