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This is the CastFlow Xtreme series manifolds and 2" up pipes.

These are for trucks WITHOUT conventional downpipes. Typical use is twins and hood stack trucks. The passengers side up pipe almost excactly matches the drivers side.

Expect even greater hp, quicker spool up, and lower egts with these.

The standard sets comes WITHOUT an EGR provision.

They are available with ceramic coated that will hold up to 1600 degrees. The coating improves performance a little and drops underhood temps. Our ceramic coating is a heat coating only, not a rust preventative.

LMM trucks require a coolant line relocation fitting found in the appropriate section. No gaskets included.

2015's may need a small spot on the passengers side manifold ground for clearance. 

 

 

 

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CastFlow Xtreme Manifolds & Up Pipes

  • $1,025.00


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Due to California State law Profab Performance Products are not for sale or use in California. 

Due to software limitations our online ordering system is unable to exclude orders originating in the state of California. Our system will currently accept orders and take payments from California addresses but those orders will not be shipped.  All orders are fulfilled manually and our staff has been instructed to cancel and refund any order with a California billing or shipping address.  There are no exceptions to this rule so please don't ask or place orders.