4'' down pipe
#13
#14
mainly because it takes 15 minutes to cut the stock pipe in half then you are ready to move on... where it would take 20 minutes just to take the crossmember out. then you still have to take the old downpipe out... and it doesnt juct fall right out. thats why i cut mine in half got tired of fighting the damn thing..and ill agree SAWZALLS RULE
#15
#19
#20