Episode 4: Stillen Cat-Back to Stock Exhaust Comparison

In this episode of Motorvate’s DIY Garage, we are comparing the stock exhaust to the Stillen Cat-Back exhaust. Stillen claims their exhaust makes 19 HP on the dyno. Watch the video to find out how.

Stock vs Stillen Cat-Back Exhaust Comparison: G37 Sedan – Motorvate’s DIY Garage Ep. 4


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