Catalytic by-pass pipes (gillett - top, Bischoff - bottom) for 1995 - 1998 993
By-pass pipes install on 1997 C4S.
Top quality workmanship
View from ground level. Unseen from other vehicles at normal height.
Bischoff (left 1994-early 1996) Gillette (right late 1996 - 1998)