LLY / LBZ / LMM Downpipe

(1 customer review)


Brand: ProFab Performance

SKU: dmllyupdp Categories: , ,


Finally, an affordable high flowing down pipe for the LLY Duramax.

This is a true mandrel bent 3″ diameter, ceramic coated, and heat wrapped. It is made in the USA right here in our shop.

Expect better all around performance & lower EGT’s from this!

This pipe does not have a support bracket. We do not believe it is needed.

Additional information

Weight 7 lbs
Dimensions 25 × 7 × 7 in

1 review for LLY / LBZ / LMM Downpipe

  1. Don Fielder (verified owner)

    Love the quality, ease of installation, fast shipping, and supporting an American manufacturer

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