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Downpipe & System Components

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AFE 48-34008 Twisted Steel Headers Up-Pipes & Down-Pipe Combo 28548 42.00 AFE 48-34008 Twisted Steel Headers Up-Pipes & Down-Pipe Combo
$ 1855.35
The AFE 48-34008 Twisted Steel Headers Up-Pipes and Down-Pipe Combo is an all-in-one kit for your 2004.5-2010 GM 6.6L Duramax. Upgrade your original equipped exhaust manifolds and up-pipes with the tubular style manifolds from AFE. Constructed from 1-3/4" 304 stainless steel, the mandrel-bent design allows the most flow providing increased spool-up and performance. Bolted to the manifolds are the 2" up-pipes also built from 304 stainless steel. While the manifolds and up-pipes feed your turbo, the AFE Down-pipe features a 3" construction to provide a smooth flowing exit for your exhaust gases. Headers: 1/2" Laser-Cut Flanges: These headers come with 1/2" thick laser-cut head flanges that are designed to match the head port for a leak-free seal. Construction: These unique headers are constructed of 1-3/4" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. Optimized Tube Lengths: Tube lengths are optimized for true pulse control technology which improves flow and performance. Up-Pipes: Construction These unique headers are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 4" Interlock Flex Pipes: The down-pipes utilizes heavy duty 4" flex tubes with internal interlock liners. Leak-Free Seal: High quality 3/8" thick flanges are used for a complete 360 degree sealing surface. Down-Pipe: Construction: The Down-Pipe is constructed of 3" mandrel-bent 304 stainless steel tubing for unrestricted flow. All Components TIG-Welded: 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. Hassle-Free Installation: For a hassle-free installation this kit includes nuts, bolts and a dipstick/tube for clearance. Features and Benefits Increased Flow Includes Headers, Up-Pipes and Down-Pipe 100% Hand TIG-Welded For Strength and Durability +67HP and 171 Ft-Lbs. (Verified by AFE In-House Dyno Test on 2006 LBZ) Application Notes: This combo kit requires EGR Race Kit.This product is intended for off-road use only.
AFE 49-04034 Atlas 3" Turbo Down-Pipe 43413 8.00 AFE 49-04034 Atlas 3" Turbo Down-Pipe
$ 133
Get better airflow and performance from your 2004.5-2010 GM 6.6L Duramax when you add the AFE 49-04034 Atlas 3" Turbo Down-Pipe. The Turbo Down-Pipe is coated in a sleek black finish that provides a custom look and is wrapped with thermal header tape to reduce EGT's for improved performance and durability. The CNC machined heavy duty inlet flange with turbine gasket and V-band outlet flange ensures you’re getting an OE-style, 360 degree sealing surface. Constructed from 3” mandrel bent tubing for superior airflow, the Turbo Down Pipe has a larger tube diameter and smooth transition bends for increased airflow between your OE turbo and exhaust to reduce EGT’s for quicker turbo spool times. Features:Sleek Black Finish3” Mandrel Bent TubingIncreased Airflow and Performance Wrapped In Thermal Header Tape
AFE Mach Force XP Turbo Down-Pipe 49-44034 12867 6.00 AFE Mach Force XP Turbo Down-Pipe 49-44034
2.5 5 2
$ 301.15
The Mach FORCE XP turbo down-pipe is engineered to perform in the most extreme environments. This down-pipe is constructed from ceramic coated 3"" mandrel bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, quicker turbo spool times and lower EGTs. Installation: Utilizing the factory mounting locations providing stability and a direct fit. Leak-Free Seal: High quality OE style CNC machined flanges are used for a complete 360 degree sealing surface. Finish: This down-pipe 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."
Fleece FPE-DMAX-30DP 3" 304 Stainless Steel HX40 Downpipe 33243 15.00 Fleece FPE-DMAX-30DP 3" 304 Stainless Steel HX40 Downpipe
$ 237.14
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. Features: HX40 Turbo Outlet Flange on Top Factory Exhaust Connection on Bottom 3" T304 Stainless Steel Construction For Use With HX40 Outlet Turbochargers
Grand Rock VB-384G V-Band Clamp (Downpipe To Front-Pipe) 16262 1.00 Grand Rock VB-384G V-Band Clamp (Downpipe To Front-Pipe)
$ 16.57
The Grand Rock V-Band Clamp VB-384G is a replacement for the factory clamp your 2001-2007 GM 6.6L Duramax. This clamp joins the bottom of your downpipe, to the front-pipe in your exhaust system. The factory clamp is exposed to extreme conditions from constant heat cycles, and being exposed to the elements that can often lead to damage or corrosion. This high-quality replacement costs much less than a new clamp at the dealer, and will save you a lot of time and hassle when installing a new exhaust system, or downpipe. Features: High-Quality Replacement Joins Bottom Of Turbo Downpipe To Exhaust Front Pipe Replaces GM OE#: 15671559
Magnaflow 15468 Turbo Outlet Downpipe 14157 5.00 Magnaflow 15468 Turbo Outlet Downpipe
$ 122.78
Magnaflow 15468 Turbo Outlet Downpipe for your 2004.5-2007 GM 6.6L Duramax is built from 3" mandrel bent stainless steel and features a durable high temp thermal coating. A fiberglass based heat wrap is also used to provide further insulation from the passenger compartment and firewall due to the closer proximity of the larger, higher flowing pipe. Features and Benefits: 3" Stainless Steel ConstructionThermal Coated and Heat WrappedIncreased Performance and EfficiencyImproved Throttle ResponseReduced EGT's
Magnaflow GM Individual 4" Pipe Profiles 14198 0.00 Magnaflow GM Individual 4" Pipe Profiles
$ 116.57
MagnaFlow Individual Pipe Profiles. Made from 4" stainless steel these pipe profiles are perfect for creating a custom exhaust or replacing aftermarket exhaust system components. Features: Stainless Steel Construction Individual Components For Custom Applications Great For Repairing Damaged Exhaust Systems Hardware and Hangers Not Included Note: Downpipes 15469 and 15399 are not legal for sale or use in California on pollution controlled motor vehicles.
MBRP Aluminized Front Pipe GMAL421 1353 25.00 MBRP Aluminized Front Pipe GMAL421
$ 129.99
XDP is a MBRP Factory Authorized Online Retailer ID# 600207727. We would like you to shop with confidence knowing your purchase is covered by the manufactures warranty. Get even more exhaust flow with this 4" MBRP Front Pipe. MBRP Front Pipes are jig manufactured to ensure total accuracy. Smooth mandrel bends will give you the best flowing Duramax Front Pipes in the industry. Gain extra power and enjoy the EGT reduction as well. Constructed from heavy duty aluminized steel you can count on this pipe lasting for years to come. Features: 4" Aluminized Steel Construction Increase Power and Efficiency Lower Exhaust Gas Temperatures Mandrel Bent and Jig Manufactured 3 Year Warranty Note: Aftermarket tuning required to avoid trouble codes.
MBRP GKAL001 Aluminized 4"-5" Front Pipe 16805 16.00 MBRP GKAL001 Aluminized 4"-5" Front Pipe
$ 159.99
The MBRP Aluminized 4"-5" Front Pipe GKAL001 for your 2006-2007 GM 6.6L Duramax LBZ is designed to bolt on your truck and mate with a 5" MBRP exhaust system. Constructed from sixteen gauge aluminized steel you can count on this pipe for many years of reliable service.Features: 4" Front Pipe5" Rear Adapter For 5" Exhaust Durable, Aluminized Construction Note: Depending on the current exhaust system installed, fabrication and additional components may be required to complete installation.
MBRP GM8424 Turbo Outlet 3" Performance Duramax Down Pipe 4559 7.00 MBRP GM8424 Turbo Outlet 3" Performance Duramax Down Pipe
4.818 5 11
$ 149.99
XDP has teamed up with MBRP to help produce the missing link in the Duramax Exhaust System. Now Duramax LLY/LBZ/LMM owners have the ability of connecting the turbo and aftermarket down-pipe back exhaust system by removing the restrictive stock pipe pictured below. The MBRP down pipe provides a smoother flow from the turbo resulting in lower EGTs and increased performance. The down pipe is a relatively easy install due to the precision bends that youve come to expect from MBRP. Features: 3" Mandrel Bent Extra Thick Aluminized Steel Satin Black Ceramic Coating High-Heat Thermal Wrap Steel CNC Machined Flanges Benefits: Smoother Flow from Turbo Reduced EGTs Increased Performance Throatier Sound Faster Turbo Spool-up
MBRP GMCA424 3" Turbo Downpipe (50 State Legal) 31291 7.00 MBRP GMCA424 3" Turbo Downpipe (50 State Legal)
$ 149.99
The MBRP GMCA424 3" Turbo Downpipe eliminates the restrictive factory downpipe in your 2004.5-2010 GM 6.6L Duramax. 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. Features: CARB EO# D-763 Reduced Temperatures Increased Performance Coated and Heat-Wrapped Aluminized Steel Construction
MBRP GMS9421 4" XP Series Front Pipe 1321 25.00 MBRP GMS9421 4" XP Series Front Pipe
5 5 4
$ 154.99
The MBRP GMS9421 4" XP Series Front Pipe is constructred from T409 stainless steel and is designed for use on your 2006-2007 GM 6.6L Duramax LBZ. Designed for use with 4" exhaust systems. Features:4" Front PipeMandrel Bent and Jig Manufactured T409 Stainless Steel ConstructionLifetime Warranty
PPE 117000500 3" Stainless Steel Downpipe 21927 8.00 PPE 117000500 3" Stainless Steel Downpipe
5 5 2
$ 134.99
The PPE 117000500 3" Stainless Steel Downpipe for your 2004.5-2010 GM 6.6L Duramax 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-701-4 Titanium Woven Heat-Wrap 304 Stainless Steel Construction