Gravity Performance decats instantly increase power by allowing exhaust gasses to exit the vehicle quicker. Our decats are designed to be direct replacements for the OEM catalytic converter, ensuring smooth installation every time. ---Made from 2.5" Polished T304 grade stainless steel ---Designed to improve power and torque across the entire RPM range ---Noticeably improves throttle response ---Includes options for a silenced / un-silenced setup for volume control ---Sold for off-road / track-use only Compatible with: Audi S4 2.7 Bi-Turbo 1997-2002 models.
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