Home > News > 4"/5" DPF Delete Pipe Installation Guide (2017-2023 Models)
4"/5" DPF Delete Pipe Installation Guide (2017-2023 Models)
Tired of restrictive factory exhaust systems holding back your 2017-2023 Chevy Duramax? Our 4"/5" DPF Delete Pipe is the solution you've been waiting for! Designed specifically for off-road and performance enthusiasts, this high-flow exhaust system eliminates the restrictive diesel particulate filter (DPF), unlocking:
- 25+ HP & Torque Gains - Experience immediate power improvements
- Better Throttle Response - Reduced backpressure means quicker acceleration
- Improved Fuel Efficiency - More complete combustion equals better MPG
- Durable Construction - Heavy-duty aluminized steel for long-lasting performance
- Important Note: This product is for off-road use only and not compliant with highway emissions regulations. Always check local laws before installation.
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Step-by-Step Installation Guide:
Step 1:
Remove all sensors from the exhaust pipe, loosen the flange that secures the drain pipe and DPF/exhaust pipe assembly.
Step 2:
Remove all factory plugs and ventilation holes from the diesel particulate filter, tie them to the truck frame or remove them from the clamp connection. Spray the hanger with WD-40, then pry off the hanger from the rubber bracket and remove the DPF from the truck.
Pro Tip: Have a helper support heavy components during removal!
Step 3:
1.Unscrew the 4-bolt flange that secures the OEM turbine straight pipe and downpipe. Use a 15mm socket to perform this step. (Note: Keep OEM nuts as they will be used with the new system).
2.To facilitate the disassembly of the downpipe, remove the hanger attached to the gearbox and cut off the pipe inlet.
Step 4:
Install the downpipe and connect the 4-bolt flange of the downpipe to the 3-bolt flange of the turbine straight pipe with bolts.Press the flange downwards to secure the pipeline, but the pipeline can still move. Fix the hanger back with bolts Transmission.
Step 5:
Install pipe 2 Connect one end of the sloping surface to the tail end of the 1 downpipe and tighten it loosely with a fixture. Place the hanger together into the OEM rubber hanger.
Step 6:
Install the muffler replacement pipe 4 in front of the 6 axle pipe and the 7 tailpipe, and select the appropriate extension pipe 5 according to the wheelbase. Cut the extension pipe according to the needs of the vehicle body.
Step 7:
Starting from pipe 1, tighten the vortex belt clamp and continue tightening until the rear connection, checking the gap while tightening.
Ready to Transform Your Duramax?
Don't settle for factory restrictions. Our 4"/5" DPF Delete Pipe delivers the performance your 6.6L Duramax deserves.
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Have questions? Contact our:
service@trucktok.com
Disclaimer: This product is for off-road/racing use only. TruckTok is not liable for misuse.