SRS EXHAUSTS ADJUSTABLE CATALYTIC CONVERTER/TESTPIPE (PRELUDE/ACCORD)Perfectly fitting SRS cat replacement test pipe for Accord Prelude A cat replacement test pipe for your Accord or Prelude? SRS supplies the test pipe that always fits! Because the SRS test pipe is adjustable, it always fits perfectly under your Accord or Prelude. It is adjustable from 29 to 41 centimeters. Your original Honda catalytic converter gives a lot of resistance in your exhaust system, so that you lose power. Remove this obstacle and enjoy