SIDE DRAFT SIX

1977 BMW 630csi: H&B

exhaust

i modified a brand new billy boat cat back system.  i went with the BB for the SS build and quality along with the fact its dual pipe with resonators. the mid-pipe to the headers i built myself, its a true dual 2″ pipe with a early stream X-pipe. all mandrel bent construction and welded. i added an o2 bung per pipe just after the headers.

took forever to get right and nearly  lost my thumb,  but im very pleased. god its long.

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