Precision Works RSX Shifter Base PlatePrecision Works RSX Shifter Base Plate Perfect fit with our Precision Works Fully Adjustable Billet Shifter (K Series RSX)Applications: 1994 2001 Acura Integra K20 K24 1988 2000 Honda Civic K20 K24 Why use this plate? You can use a RSX Type S or comparable shifter box without cutting a hole in the exhaust tunnel of the chassis which leaves more room for larger exhaust systems. Mounts above exhaust tunnel Routes shifter cables inside the vehicle Heater