4.0TFSI Upgraded Exhaust Manifold with Turbine Housing

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4.0TFSI Drop in exhaust manifold with turbine housing. This is a direct drop in replacement for the extremely restrictive factory exhaust manifold. 

These alleviate the cylinder 5 missfire issue by reducing EMAP caused by the extremely restrictive factory manifolds.

Horsepower increases of 50+ horsepower depending on setup. With larger turbos expect significantly more.

These uncork the main performance bottleneck of the 4.0TFSI engine by allowing the engine to exhale properly making the engine significantly more efficient because it doesn't have to work as hard to pump exhaust out of the engine. Not only will you have the exhaust flow to make more power, you will make that power more efficiently reducing strain on the engine by reducing backpressure.

Compatible with Factory Downpipe

These are an essential upgrade for anyone looking to make real power on the 4.0TFSI engine. 

These manifold turbine assemblies are sized to fit all drop in turbos, including S7, RS7, +4, TS1, etc.

They are available for larger turbine turbos as well in the drop down menu, including Xona, TS2* and TS2+*.

CORE CHARGE OF 1000$ USD.

BROKEN DOWNPIPE BOLTS/STUDS WILL FORFEIT 250$ OF THE CORE FEE 

Send us your factory manifolds for a core credit of 1000$ off your purchase!

You must send in your manifolds before we ship!

Alternatively, you can pay full price, and when we receive your good core, we can refund the core charge of 1000$!

*NOTE for TS2 and TS2+ turbos, you must send us your manifold core prior to production and we do not offer a no core option for these turbochargers.


  • $1795.00
Qty:  
  • Weight
    24 lbs
  • SKU
    001320
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