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Instruction Sheets for Part Number MBR-GMCA428
MBRP Black Series Downpipe Kits
Down Pipe, 3" Down Pipe- Carb EO # D-763-2, 6.6L Duramax
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Estimated Ship Date: Nov 18, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
GMCA428
Part Type:
Product Line:
Summit Racing Part Number:
MBR-GMCA428
Item Number:
5423507
UPC:
882963126900
Hardware Included:
No
Catalytic Converter Included:
No
Mandrel-Bent:
Yes
Downpipe Material:
Steel
Tubing Finish:
Black
Inlet Diameter (in.):
3.00 in.
Inlet Diameter (mm):
76.20mm
Outlet Diameter (in.):
3.00 in.
Outlet Diameter (mm):
76.20mm
Oxygen Sensor Bung Included:
Yes
Quantity:
Sold individually.
CARB EO Number(s):
Emissions:
California EO Approved
MBRP Black Series Downpipe Kits
Let MBRP Black Series downpipes assist you with your quest for power! Every enthusiast is looking for more power, and during your search, you've possibly overlooked the restrictive factory downpipe on your rig. Mount MBRP downpipes between your factory turbo and exhaust system for a deeper sound, lower EGTs, and quicker throttle response. These Black Series pipes are crafted from 16-gauge, mandrel-bent steel for maximum flow; and they're coated with an extremely durable, high-temperature black ceramic finish for the hottest looks and performance in town. Your search is over—MBRP can make your desire for power a reality with their Black Series turbo downpipes.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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