NHP 200 Cells Exhaust Headers fits Porsche 987.2
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987.2 Boxster (2009-2012)
987.2 Boxster S (2009-2012)
987.2 Cayman (2009-2012)
987.2 Cayman S (2009-2012)
WARRANTY: Lifetime limited warranty (Please read more about our warranty here)
RETURN POLICY: Please see our return policy here
WHAT'S INCLUDED: Left + Right Exhaust Headers
Usage: For daily driver and occasional track use .
For medium track use or heavy track use only we don't recommend any exhaust headers with catalytic converters we only recommend Racing Exhaust Headers with no catalytic converters. The warranty is void for our exhaust headers with cats used mostly or only for racing purposes.
NHP has developed the 987.2 Exhaust Headers with 200 cells catalytic converters, featuring equal lenght primary pipes joining into a racing merge collector (3-1) and flowing into the 200 cells tri-metal cats. Designed to achieve better performance and better exhaust flow these will surely help in the performance department and slightly improve the sound on those quiet DFI engines. We have designed these with same style stainless steel flange like the factory headers this type of flange eliminates warpage caused by excessive heat when using a thicker flange.
Mounting Hardware included , Porsche factory steel gaskets are included for the engine side gaskets and gaskets between header flange and muffler pipes are included as well.
For the State of California our Exhaust Products are not C.A.R.B.
Our Exhaust products have no guarantees about passing emissions in your state.
Our High Performance Exhaust with sports catalytic converters are built and meant for off-road purposes.
Our Exhaust Products “Lifetime Warranty” does not cover catalytic converter error codes.
Please note that when installing High Performance Catalytic Converters there is a possibility that you may get a “Check Engine Light” for Catalytic Converter Inefficiency or other Catalytic Converter related error codes. This may or may not happen, this is due to lowering the Cell Count of the catalytic cartridge, in other words we need to work with the same surface area with a lower cell count, most OEM Catalytic Converters will have 600 to 800 Cells per square inch, High Performance Catalytic Converters are only 200 Cells per square inch. If you get a check engine light it’s not because the product is defective but it’s the ECU picking up the difference and relating those error messages.
There are several ways to deal with this.
Most Efficient is the Flash the ECU with performance software, make sure to tell your tuner that you have 200 Cell Cats. This is the most expensive and most efficient.
Use 02 Bungs, many have been successful by using 02 Bungs however this is not 100% Bullet Proof.
Purchase OBD2 Scanner, read your codes and erase them. For those of you who are not annoyed by the use of a scanner on a weekly basis this is the cheapest solution.