Headers & Manifolds aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks – Fastmodz
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aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML
aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML
aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML
aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML
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Stainless Steel Construction: The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. The up-pipes and down-pipe are constructed out of 2" and 3" mandrel-bent 304 brush finished stainless steel tubing.Optimized Tube Lengths: Tube lengths and mitered collectors are optimized for true pulse control technology which improves flow and performance across the power band.Heavy-Duty Flanges: A CNC-machined v-band inlet flange and heavy-duty outlet flange provide a secure, leak-free seal.EGT Ports: Two exhaust gas temperature (EGT) ports are provided with this system. A 1/8 NPT EGT probe port is incorporated into the driver™s side manifold and a M14x1.5 port in the down pipe. This allows for easy installation of sensors, gauges or testing equipment.4" Interlock Flex Pipes: The up-pipes utilizes heavy duty 4" flex tubes with internal interlock liners.Retains EGR Flange: This system retains the EGR flange.Factory Mounting Locations: These headers utilize factory locations making it a true bolt-on system, no cutting or drilling required and includes all necessary hardware for a hassle-free installation.Fitment Note: This item will not fit models manufactured after July 2014 equipped with a 3 bolt flanged down-pipe.aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.
Installation Instructions


This Part Fits:

Year Make Model Submodel
2015 Chevrolet Silverado 2500 HD High Country
2011-2015 Chevrolet Silverado 2500 HD LT
2011-2015 Chevrolet Silverado 2500 HD LTZ
2011-2015 Chevrolet Silverado 2500 HD WT
2015 Chevrolet Silverado 3500 HD High Country
2011-2015 Chevrolet Silverado 3500 HD LT
2011-2015 Chevrolet Silverado 3500 HD LTZ
2011-2015 Chevrolet Silverado 3500 HD WT
2015 GMC Sierra 2500 HD Base
2011-2015 GMC Sierra 2500 HD Denali
2011-2015 GMC Sierra 2500 HD SLE
2011-2015 GMC Sierra 2500 HD SLT
2011-2014 GMC Sierra 2500 HD WT
2015 GMC Sierra 3500 HD Base
2011-2015 GMC Sierra 3500 HD Denali
2011-2015 GMC Sierra 3500 HD SLE
2011-2015 GMC Sierra 3500 HD SLT
2011-2014 GMC Sierra 3500 HD WT
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aFe 48-34139 Replacement Headers & Manifolds
aFe
48-34139
AFE48-34139
802959483237
0
Headers & Manifolds
This item is CARB restricted and cannot be shipped to California * Special Order Item - Ships from Manufacturer and may have a leadtime.
Please contact us before ordering for leadtime.
* Note Enkei Special Order Wheels Cannot be Cancelled
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aFe 48-34139 Replacement Headers & Manifolds
Is this item in stock?
If it is purchasable it is unstock and available for shipment as soon as today.

How long will it take to get it?
Shipping to US addresses generally takes 2 to 4 business days to arrive depending on your location. We also offer Next Day Air and 2nd Day Air if you need it faster.

International shipping is subject to import duties and taxes and we usually see 4 day to 2 week ship times to most locations outside the USA.

Does this fit my vehicle?
We have fitment charts in most of our vehicle specific products. If you do not see your vehicle, please do not hesitate to ask via chat or contact form.

What is your Return Policy?
Our return policy can be found here: Return Policy

aFe 48-34139 Replacement Headers & Manifolds
aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML
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$2,410.00

0
This item is CARB restricted and cannot be shipped to California * Special Order Item - Ships from Manufacturer and may have a leadtime.
Please contact us before ordering for leadtime.
* Note Enkei Special Order Wheels Cannot be Cancelled
$2,410.00
aFe Twisted Steel Headers Up-Pipes & Down-Pipe 11-15 GM Diesel Trucks V8-6.6L (td) LML

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