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Supplier details checked 2026-09-23 · Test catalog
Magnaflow Custom Builder Pipe Kit Diesel 4in. Turbo-Back
Custom Builder Pipe Kit Diesel 4in. Turbo-Back
Custom Builder Kit
Layout, placement, orientation and exhaust note are yours to craft as you see fit
Layout/Placement/Orientation And Exhaust Note Are Yours To Craft As You See Fit
Features All Components Necessary To Enable Flexible Installation Options
Attention grabbing design thanks to an aggressive style
The MagnaFlow Custom Builder Pipe Series Turbo-Back Performance Exhaust 17878 utilizes a weight-optimized, emissions-legal design engineered to enhance your diesel truck with our signature resonant sound and dyno-proven performance. This turbo-back 4in. diameter Custom Builder Pipe kit is made of durable, corrosion resistant stainless steel and produced using CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime warranty. Exhaust kit 17878's mandrel bent pipes have been tuned to produce Aggressive interior and Very Aggressive exterior exterior sound levels. The system terminates in a Single Passenger Side Rear exit. Professional installation is recommended due to the possible cutting, welding and fabrication required.
Need further assistance? Call 1-800-990-0905.
MagnaFlow Sys T/B 99-03 Ford F-250/F-350 Super Duty 7.3L Diesel 4in Single Passenger Side Rear Exit
Exhaust System
Downpipe-Back
Turbo-Back
The MagnaFlow Custom Builder Pipe Series Turbo-Back Performance Exhaust 17878 utilizes a weight-optimized, emissions-legal design engineered to enhance your diesel truck with our signature resonant sound and dyno-proven performance. This turbo-back 4in. diameter Custom Builder Pipe kit is made of durable, corrosion resistant stainless steel and produced using CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime warranty. Exhaust kit 17878's mandrel bent pipes have been tuned to produce Aggressive interior and Very Aggressive exterior sound levels. The system terminates in a Single Passenger Side Rear exit. Professional installation is recommended due to the possible cutting, welding and fabrication required.
The MagnaFlow Custom Builder Pipe Series Turbo-Back Performance Exhaust 17878 utilizes a weight-optimized, emissions-legal design engineered to enhance your diesel truck with our signature resonant sound and dyno-proven performance. This turbo-back 4in. diameter Custom Builder Pipe kit is made of durable, corrosion resistant stainless steel and produced using CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime warranty. Exhaust kit 17878's mandrel bent pipes have been tuned to produce Aggressive interior and Very Aggressive exterior sound levels. The system terminates in a Single Passenger Side Rear exit. Professional installation is recommended due to the possible cutting, welding and fabrication required.
Exhaust,MagnaFlow,Muffler,Performance,Cat Back,Exhaust System,Stainless,Mandrel
17878-Custom Builder Turbo-Back Exhaust System Ford
Custom Builder Kit 17878
Exhaust System Kit
ExhSystem
25173700
