Typical 379 Unibilt
359 & 379
359 & 379
Flex Pipe &
Heat Shields & Grab Handles
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Peterbilt 359 / 379 - 8 Inch Dynaflex Exhaust Package
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Peterbilt 359 / 379 - 8 Inch Diameter Dynaflex Exhaust Package - CLICK PICTURE OR TITLE FOR MORE INFO
All Peterbilt 379 Packages Include:
(2) Top Stacks - (2) Center Spools - (2) Lower Elbows - (1) Pack of Urethane Bushings - (4) Clamps - Appropriate Cab Bracketry for Your Truck
Top Stack Style - Miter, Flat, Curved, or Slash-Cut (Bull Horn)
OEM Style or 90-Degree Lower Elbows
52" or 55" Spools (Center Sections)
Cab Bracket Applications for Unibilt Trucks, or Non-Unibilt Sleeper / Day Cab Trucks
Heat Shields and Grab Handles
Lower elbows reduce to 5" and mate to the Y-Pipe with Flex Pipe.
Y-Pipes are available in 5" diameters or Full Diameter.
Choose between bare, aluminized, or chrome plated finishes in the 5" Y-Pipes.
Also available is the Full Diameter Y-Divider Combo, which upgrades your exhaust package to 90-Degree elbows with no 5" reduction,
and upgrades the Y-Pipe to the full diameter of the rest of the exhaust system. The Y-Pipe is fully Chrome Plated. then reduces to 5" at the front of the piece to mate with the stock 5" exhaust. This system eliminates all but one section of flex pipe from the bottom of the truck. The Combo comes with 2 additional band clamps, and an extra support clamp to support the setup.
Flex Pipe Kits:
Kit Includes 2 Stainless Steel 24" Flex Sections, and 4 Lap Joint Exhaust Clamps.