Replace the restrictive factory downpipe on your 2011-2015 GM 6.6L Duramax LML with the AFE 49-44095 MACH FORCE XP 3" DownPipe. This ceramic coated stainless steel downpipe features smooth transition bends resulting in increased airflow, quicker spool times, and reduced EGT’s. Flow and Performance:This turbo downpipe is made from 3" mandrel bent stainless steel tubing, offering smoother transition bends for low turbulence, and delivering quicker turbo spool times.Ceramic Coating:This downpipe is ceramic coated inside and out. This coating developed by the aerospace industry is used to lower under hood temperatures by insulating the stainless steel tubing. The satin aluminum finish is chip and heat resistant up 1600 degrees.Leak-Free Seal:High quality factory style CNC machined V-band flanges are used for a complete 360 degree sealing surface.Retains Factory Sensors:This system was designed to retain all your factory sensors for a hassle-free installation.Perfect Fit:This turbo downpipe utilizes high-quality OE style flanges and factory mounting locations to provide stability and a direct fit.Features:3" Stainless Steel Mandrel Bent ConstructionDirect Fit - No Modifications NeededCNC Machined V-Band FlangesCeramic CoatedApplication Note: This downpipe is only for the 2011-2015 models with the standard v-band connection. It will not work on late model 2015.5 trucks with the 2-bolt flange.This downpipe is not legal in NY for use on vehicles with CA emissions. AFE 49-44113 MACH Force XP 3" Downpipe8055310.00
The AFE 49-44113 MACH Force XP 3" Downpipe will get the exhaust gasses out of the turbo faster to lower EGTs and improve throttle response in your 2015.5-2016 GM 6.6L Duramax LML. This downpipe features 409 stainless-steel for durability and has been ceramic coated inside and out to lower the under-hood temperatures. All of the of the heavy-duty flanges have been CNC-machined and MIG welded to ensure a direct fit installation with the included hardware. Features:Direct-fit InstallationCeramic Coated Inside and Out409 Stainless-Steel ConstructionFleece FPE-DMAX-30DP 3" 304 Stainless Steel HX40 Downpipe3324315.00
The Fleece FPE-DMAX-30DP 3" 304 Stainless Steel HX40 Downpipe allows you to connect the exhaust system in your 2001-2015 GM 6.6L Duramax to the HX40 outlet on your aftermarket turbocharger. This 3" downpipe features a T304 stainless steel construction and includes an HX40 clamp.
HX40 Turbo Outlet Flange on Top
Factory Exhaust Connection on Bottom
3" T304 Stainless Steel Construction
For Use With HX40 Outlet Turbochargers
HSP LML Downpipe282447.00
The HSP LML Downpipe for your 2011-2015 GM 6.6L Duramax LML will get you that signature Duramax sound you've been after. Constructed of 3" stainless steel, HSP's downpipes are built in high quality fixtures to ensure excellent fitment. Their design allows for extra clearance for aftermarket up-pipes without compromising the exhaust flow. This lowers EGT's and increases power while improving the exhaust tone from your LML. Features:Lower EGT'sImproved ToneDirect ReplacementIncreased Exhaust Flow3" 304 Stainless Steel ConstructionNote: Will not fit 2015.5 and up models with factory 3-bolt flange downpipe. Please confirm which downpipe you have before ordering. MBRP GM8427 3" Turbo Downpipe164167.00
The MBRP GM8427 3" Turbo Downpipe provides a smoother flow from the turbo in your 2011-2015 GM 6.6L Duramax. Removing the restriction in the factory downpipe results in lower EGTs and increased performance. The down pipe is relatively easy to install due to the precision bends that youve come to expect from MBRP.
Greater Heat Retention
20% Greater Flow Over Stock
Richer Diesel Sound
Will Not Affect DPF or Urea System
Gains of +21HP and +24 Ft-lbs.
MBRP GM8428 3" Turbo Downpipe3107110.00
The MBRP GM8428 3" Turbo Downpipe for your 2015.5-2016 GM 6.6L Duramax LML. Removing the restriction in the factory downpipe results in lower EGTs and increased performance. The down pipe is relatively easy to install due to the precision bends that you've come to expect from MBRP.Features: Richer Diesel Sound Greater Heat RetentionGains of +21HP and +24 Ft-lbs.20% Greater Flow Over StockWill Not Affect DPF or Urea SystemNote: This Downpipe is designed for the 2015.5+ model trucks with the 3-bolt flange style connection. MBRP GMCA427 3" Turbo Downpipe (50 State Legal)312927.00
The MBRP GMCA427 3" Turbo Downpipe eliminates the restrictive factory downpipe in your 2011-2015 GM 6.6L Duramax LML. Featuring a mandrel bent aluminized steel construction, the MBRP 3" Turbo Downpipe provides a smoother flow from the turbo resulting in lower EGT's, increased performance, throatier sound, and faster turbo spool-up.
Each Downpipe is coated with a satin black high-heat coating and wrapped with a high-heat thermal wrap for added protection. Featuring CNC machined flanges, this Downpipe is a direct bolt-on replacement, and is manufactured with precision bends for the perfect fit that you've come to expect from MBRP.
CARB EO# D-763
Coated and Heat-Wrapped
Aluminized Steel Construction
Note: This Downpipe is only for the 2011-2015 models with the standard v-band connection. It will not work on late model 2015.5 trucks with the 3-bolt flange. PPE 117000600 3" Stainless Steel Downpipe219268.00
The PPE 117000600 3" Stainless Steel Downpipe for your 2011-2015 GM 6.6L Duramax LML allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe. Spiral wrapped with titanium woven thread for superior heat that's held in place with stainless steel clamps.Features: 3" Mandrel-BentCARB E.O. D-701-30 Titanium Woven Heat-Wrap 304 Stainless Steel Construction PPE 117000700 3" Stainless Steel Downpipe324288.00
The PPE 117000700 3" Stainless Steel Downpipe for your 2015.5-2016 GM 6.6L Duramax LML allows you to remove your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe.
Features: 3" Mandrel-BentSpiral Wrapped For Heat Control304 Stainless Steel Construction CARB EO# D-701-30
Note: This downpipe is for 2015.5+ models with the bolted flange.
XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:
Effective 3/16 we have shifted Customer Service hours to 8:30 – 7:00pm EST. To ensure compliance with New Jersey’s recent curfew.
Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.