AFE POWER 48-34009-PK TWISTED STEEL UP-PIPES & EXHAUST MANIFOLDS FOR 01-04 GM 6.6L DURAMAX LB7 W/FEDERAL EMISSIONS

Enhance the performance and efficiency of your 2001-2004 GM 6.6L Duramax LB7 with the AFE POWER 48-34009-PK Twisted Steel Up-Pipes & Exhaust Manifolds. Designed to outflow factory exhaust manifolds by an impressive 6%, these up-pipes significantly improve overall performance and throttle response, providing an exhilarating driving experience. The innovative construction features durable cast ductile iron, ensuring long-lasting reliability while resisting the harsh conditions typical of diesel engines.

Engineered for compatibility, these up-pipes work seamlessly with factory up-pipes, making installation a straightforward process. Say goodbye to the restrictive flow of the factory driver-side manifold, as this product eliminates those pinch points, enabling a smoother exhaust flow. The machined ports are meticulously designed to match factory gasket openings, thus maximizing exhaust flow without compromising performance.

The design incorporates 1/8" NPT exhaust gas temperature (EGT) ports for easy connection to gauges or testing equipment, perfect for monitoring your engine’s performance. Each manifold boasts high-quality 3/8" thick flanges that create a leak-free seal, thanks to a complete 360-degree sealing surface. Heavy-duty 2" mandrel-bent 304 stainless steel tubing with a robust .120" wall ensures superior strength and durability, even in demanding conditions.

For additional convenience, each manifold includes extra cast-in bosses for alternate testing points and is compatible with stock up-pipes, which means there's no need to remove the turbocharger down-pipe during installation. Please note, this product is not CARB exempt and cannot be purchased or used in California or on vehicles registered with the California Department of Motor Vehicles. Upgrade your Duramax with the AFE POWER Exhaust Solutions and experience enhanced performance that truly delivers.

DETAILS:

• Outflows the factory exhaust manifolds by 6%, improving performance and throttle response
• Compatible with factory up-pipes which allows for easy installation.
• Eliminates the flow restricting pinch of the factory drivers-side manifold
• The machined ports match the factory gasket openings which maximizes exhaust flow
• 1/8" NPT exhaust gas temperature ports (EGT) ports are incorporated into the exhaust manifolds for gauges or testing equipment
• Durable cast ductile iron construction
• Manifold mounting hardware is included for a hassle-free installation.

Construction:
These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability.

2" Inner Liner Flex Pipes:
The down-pipes utilizes heavy duty 2" flex tubes with internal inner liner.

Leak-Free Seal:
High quality 3/8" thick flanges are used for a complete 360 degree sealing surface.

Machined Ports:
These manifolds have both the inlet and the outlet ports machined to match the factory gaskets. This allows for maximum flow, without compromising gasket performance.

Auxiliary Ports:
An Exhaust Gas Temperature (EGT) probe port is incorporated into each manifold for easy installation of gauges or testing equipment. There are three additional cast in bosses provided to allow for alternate testing points.

Hassle-Free Installation:
These manifolds are compatible with the stock up-pipes, which allows the manifolds to be installed without having to remove the turbocharger down-pipe or the up-pipes.

Emissions Disclaimer:
This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.