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Exhaust Manifolds | 2001-2004 GM 6.6 Duramax LB7

You may not know it, but the factory driver’s side exhaust manifold is pinched down to allow for steering shaft clearance, which actually isn’t required. As a result, this manifold only flows 80% ... read more

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BD Full Bore Exhaust Manifold 01-10 6.6L GM Duramax 1041460 BD-1041460 20.00 BD Full Bore Exhaust Manifold 01-10 6.6L GM Duramax 1041460 BD-Power 1041460 Diesel Power Products carries the BD Full Bore Exhaust Manifold for the 01-10 6.6L GM Duramax 1041460 PPE High Flow Exhaust Manifolds with Up-Pipes-50 State Legal 01-10 Duramax PPE-116111200-Main 0.00 PPE High Flow Exhaust Manifolds with Up-Pipes-50 State Legal 01-10 Duramax PPE (Pacific Performance Eng.) PPE-116121500 Introducing high flow performance for your Duramax that is 50 state legal! ATS 2049004248 Pulse Flow Exhaust Manifolds 01-04 GM 6.6L Duramax LB7 ATS-2049004248 45.00 ATS 2049004248 Pulse Flow Exhaust Manifolds 01-04 GM 6.6L Duramax LB7 ATS Diesel Performance 204-900-4248 Diesel Power Products carries the ATS Pulse FLow Exhaust Manifolds for the LB7 Duramax. BD Power Duramax UpPipes 01-04 6.6L GM Duramax LB7 BD-1043800 12.00 BD Power Duramax UpPipes 01-04 6.6L GM Duramax LB7 BD-Power 1043800 Get your LB7 Duramax roaring with these BD Power 1043800 UpPipes, designed to out perform stock and give you better turbo response as well as lower EGTs. PPE 118062030 Up-Pipe Gasket Kit (4 Piece) 01-16 6.6L GM Duramax PPE-118062030 3.00 PPE 118062030 Up-Pipe Gasket Kit (4 Piece) 01-16 6.6L GM Duramax PPE (Pacific Performance Eng.) 118062030 Whether you're upgrading your stock up-pipes for additional flow or merely replacing a worn out gasket, this four piece gasket kit from PPE is an essential piece of the puzzle. AFE BladeRunner Iron Exhaust Manifolds 01-16 GM 6.6L Duramax AFE-46-40024 26.00 AFE BladeRunner Iron Exhaust Manifolds 01-16 GM 6.6L Duramax AFE 46-40024 These exhaust manifolds will outflow your factory ones by 6% resulting in an increase in performance and throttle response. PPE OEM Length Replacement High Flow Up-Pipes 02-04 6.6L GM Duramax LB7 California Emissions PPE-116120204 12.00 PPE OEM Length Replacement High Flow Up-Pipes 02-04 6.6L GM Duramax LB7 California Emissions PPE (Pacific Performance Eng.) 116120204 Your LB7 Duramax engine produces high exhaust temperatures and pressure that can eventually cause factory up pipes to fail. Replace your factory up pipes with these High Flow Replacement Up-Pipes from PPE. XDP XD342 Driver Side High Flow Exhaust Manifold 01-16 GM 6.6L Duramax XDP-XD342 12.00 XDP XD342 Driver Side High Flow Exhaust Manifold 01-16 GM 6.6L Duramax XDP XD342 Replace your restrictive driver side exhaust manifold in your 2001-2010 GM Duramax or replace your stock manifold in your 2011-2016 GM Duramax with the XDP High Flow Exhaust Manifold. PPE High Performance Standard Port Manifold Gaskets 01-16 GM 6.6L Duramax PPE-118062010 2.00 PPE High Performance Standard Port Manifold Gaskets 01-16 GM 6.6L Duramax PPE (Pacific Performance Eng.) 118062010 Ensure a leak free seal when you are installing new exhaust manifolds in your 01-16 GM Duramax with this High Performance Exhaust Manifold Gasket Kit from PPE. PPE OEM Replacement Passenger Side Up-Pipe 01-04 6.6L GM Duramax LB7 Federal Emissions PPE-116120010 8.00 PPE OEM Replacement Passenger Side Up-Pipe 01-04 6.6L GM Duramax LB7 Federal Emissions PPE (Pacific Performance Eng.) 116120010 Replace your failed passenger side up-pipe in your Federal Emission LB7 Duramax with this OEM replacement from PPE. PPE Heat Shield Blanket Set For PPE High Flow Manifolds 01-16 GM 6.6L Duramax PPE-116016000 5.00 PPE Heat Shield Blanket Set For PPE High Flow Manifolds 01-16 GM 6.6L Duramax PPE (Pacific Performance Eng.) 116016000 Protect your PPE High Flow Exhaust Manifolds with a set of PPE Heat Shield Blankets and also enhance the spool up of your turbo in your Duramax. AFE Twisted Steel Up-Pipes 01-04 GM 6.6L Duramax AFE-48-34009 7.00 AFE Twisted Steel Up-Pipes 01-04 GM 6.6L Duramax AFE 48-34009 Upgrade the up-pipes in your LB7 GM Duramax to the AFE Twisted Steel Up-Pipes that are constructed from 2" Mandrel bent 304 stainless steel.

You may not know it, but the factory driver’s side exhaust manifold is pinched down to allow for steering shaft clearance, which actually isn’t required. As a result, this manifold only flows 80% compared to the passenger side. Further, the factory uppipes have proven to crack when subjected to higher than normal EGT's (Exhaust Gas Temperatures). In order to solve these issues, we offer numerous kits from the best in the business for improved performance, lower temperatures, and better reliability.
As always, if you have any questions about which product is right for you and your truck, do not hesitate to give us a call or send an e-mail to [email protected] and we would be happy to assist.

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