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GM Duramax
2011-2016 GM Duramax 6.6L LML
Exhaust Kits
Downpipes
15.5-16 GM 6.6L Duramax 2500HD / 3500HD PPE 3" Downpipe
2015.5-2016 GM 6.6L Duramax PPE 3" Stainless Steel Downpipe 117000700
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Part Number:
PPE117000700
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15.5-16 GM 6.6L Duramax 2500HD / 3500HD PPE 3" Downpipe
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Gm Duramax PPE 3" Downpipe Features:
Premium replacement direct pipes
3" mandrel-bent tubing construction
Made from 304 stainless steel
Titanium woven heat-wrap
Improves fuel economy
Maximum flow for efficiency
Boosts power and torque
Compliments other performance mods
Direct, bolt-on installation
Large Diameter Downpipe for Ultimate Free-Flowing Exhaust
Typically, the search for improved power and efficiency for your GM Duramax equipped truck usually leads down the path of a complete aftermarket exhaust system, overlooking the restrictive factory turbo direct pipe. PPE has addressed this restrictive component of your truck's exhaust and created their 3" Stainless Steel Downpipe for improved power and performance over stock. This premium replacement downpipe was engineered to shorten turbo lag by maximizing the amount of flow coming from the exhaust. Improved flow means less back-pressure, allowing your truck to perform and function properly without the loss of energy caused by the restrictive tailpipe, giving your truck more power and torque for heavy-duty applications. This will also help improve your truck fuel economy overtime to help you save a bit of cash in the long run. This massive downpipe attaches right after the turbo inlet outlet which is where the gases are expanding fastest as they cool off on their way out.
Premium 304 Stainless Steel Construction & Installation Info
The PPE 3" Downpipe for the 2015.5-2016 GM 6.6L Duramax Trucks was constructed from premium 304 stainless steel that can handle the high temps and stresses of extreme applications. Spiral wrapped with titanium woven thread that's held down with stainless steel clamps, this downpipe exhibits superior heat dissipation that will handle just about anything you throw at it. Moreover, the 3-Inch mandrel-bent tubing helps maximize airflow for the best possible power and performance gains for your rig. When it comes to installation, this downpipe mounts to your truck's factory hangers for a simple and straightforward process you can complete at home.
Vehicle Fitment:
2015.5-2016 GM 6.6L Duramax Trucks
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Overall not bad
For the price this pipe is great. My only problem was with the heat wrap they put on it. It is so big and bulky that I couldn’t get it in behind the motor. It would snag on everything. I ended up taking it off and wrapping the whole thing with some exhaust wrap I had. After that it went right in. I couldn’t notice any performance gains it is a little louder then the factory down pipe.
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Reviewed by:
Josh Giles
from Tooele on 11/16/2022
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2020-2022 Duramax L5P
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