| well if you want a different sound you will have to go with a 4 or 5 inch kit but if you just want it straight piped for now im pretty sure the 03s dont have a cat so you can just cut out your muffler and get a enough flex pipe to replace it and get two muffler clamps
__________________ 05 Duramax LLY
Bullydog Tripledog(Crazy Larry)
w/ outlook monitor    |