02-06 Lancer Road Race Test Pipe (cat delete)

02-03

Lancers have two catalytic converters, they choke the exhaust and thus hamper performance. Road Race high flow cat(testpipe)will free the exhaust allowing your engine to perform significantly better. It has O2 sensor threaded hole built in.. These are for racing only. Keep your old cat for on highway use. 2-3% increase in h.p. depend on mods. NOTE: This test pipe WILL NOT make "check engine" light come on. This is ONLY FOR the 02-03 lancers..WILL NOT FIT 04-06.