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Downpipes & System Components

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AFE 49-04093 Atlas 3" Turbo Down-Pipe 43415 8.00 AFE 49-04093 Atlas 3" Turbo Down-Pipe
$ 173.85
Made from 3" mandrel bent steel tubing, the AFE 49-04093 Atlas 3" Turbo Down-Pipe is a superior upgrade for your 2001-2004 GM 6.6L Duramax LB7. The Atlas 3” Turbo Down-Pipe improves airflow and throttle response. 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. 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. 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.Features:Sleek Black Finish3” Mandrel Bent TubingIncreased Airflow and Performance Wrapped In Thermal Header Tape
Banks Power 48631 Monster Exhaust Head Pipe 23384 17.00 Banks Power 48631 Monster Exhaust Head Pipe
$ 152.22
The Banks Power 48631 Monster Exhaust Head Pipe for your 01-04 GM 6.6L Duramax LB7 is built from 4" mandrel bent stainless steel for maximum flow and longevity. Features: 4" Stainless SteelOutflows Stock Front PipeMandrel Bent For Maximum Flow
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 15398 Turbo Outlet Downpipe 14156 5.00 Magnaflow 15398 Turbo Outlet Downpipe
3 5 2
$ 145.94
The Magnaflow 15398 Turbo Outlet Downpipe for your 2001-2004 LB7 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 ConstructionIndividual Components For Custom ApplicationsGreat For Repairing Damaged Exhaust Systems Notes: Hardware and Hangers Not IncludedDownpipes 15469 and 15399 are not legal for sale or use in California on pollution controlled motor vehicles.
MBRP GMAL401 4" Aluminized Front Pipe 673 14.00 MBRP GMAL401 4" Aluminized Front Pipe
5 5 2
$ 144.99
The MBRP GMAL401 4" Aluminized Front Pipe is jig manufactured to ensure a perfect fit on your 2001-2004 GM 6.6L Duramax LB7. MBRP's mandrel-bend construction gives you smooth bends for enhanced flow. Constructed from heavy duty aluminized steel you can count on this pipe lasting for years to come. Features:4" Aluminized Steel ConstructionIncrease Power and Efficiency Lower Exhaust Gas Temperatures Mandrel Bent and Jig Manufactured
MBRP GMCA425 3" Turbo DownPipe (50-State Legal) 31290 7.00 MBRP GMCA425 3" Turbo DownPipe (50-State Legal)
$ 194.99
The MBRP GMCA425 3" Turbo Downpipe eliminates the restrictive factory downpipe in your 2001-2004 GM 6.6L Duramax LB7. Featuring a mandrel bent aluminized steel construction, the MBRP 3" Turbo Downpipe provides a smoother flow from the turbo resulting in lower EGT's and 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. A durable 1/2" thick flange is used to eliminate warping and sealing issues. 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 GMS9401 4" Stainless Steel Front Pipe 672 14.00 MBRP GMS9401 4" Stainless Steel Front Pipe
4.333 5 3
$ 169.99
Build your custom exhaust system or replace failing components on your 2001-2004 GM 6.6L Duramax with the MBRP GMS9401 Stainless Steel Front Pipe. The GMS9401 front-pipe features a 4" mandrel-bent design for enhanced flow and a stainless steel construction for corrosion resistance. Features:4" Front Pipe 4-Bolt Flanged End ConnectionT409 Stainless Steel Construction
MBRP Turbo Outlet 3" Performance Duramax LB7 Down Pipe 5580 10.00 MBRP Turbo Outlet 3" Performance Duramax LB7 Down Pipe
4.571 5 7
$ 194.99
Duramax LB7 owners now have the ability of connecting the turbo and aftermarket down-pipe back exhaust system by removing the restrictive stock pipe. 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" 16 Gauge Aluminized Tubing 1/2" Thick Turbo Flange Satin Black Ceramic Coating High-Heat Thermal Wrap Machined lower V band flange Benefits: Smoother Flow from Turbo Reduced EGTs Increased Performance Throatier Sound Faster Turbo Spool-up
PPE 117000400 3" Stainless Steel Downpipe 21929 15.00 PPE 117000400 3" Stainless Steel Downpipe
$ 152.99
The PPE 117000400 3" Stainless Steel Downpipe for your 01-04 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-Bent CARB E.O. D-701-4 Titanium Woven Heat-Wrap 304 Stainless Steel Construction. Note: This product is not intended for use on vehicles with California emissions. It will only work on models with the federal emissions package.
PPE 117000424 3" Stainless Steel Downpipe 30424 15.00 PPE 117000424 3" Stainless Steel Downpipe
$ 152.99
The PPE 117000424 3" Stainless Steel Downpipe for your 2001-2004 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-Bent Titanium Woven Heat-Wrap 304 Stainless Steel Construction For California Emissions VehiclesE.O. Number D-701-21 Note: This Downpipe is only intended for use on trucks with the California emissions package. Please note that California emissions trucks can be found all over the United States.