- Performance Parts for Porsche 991 Carrera / GT3 / Turbo
- Exhaust System and Parts for Porsche 991 Carrera / GT3 / Turbo
- NHP Exhaust Performance Exhaust Headers 200 Cells fits Porsche 991 3.4L 3.8L
NHP Exhaust Performance Exhaust Headers 200 Cells fits Porsche 991 3.4L 3.8L
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2012-2016 Porsche 991 Carrera 3.4L and 3.8L
WARRANTY: Lifetime limited warranty (Please read more about our warranty here)
RETURN POLICY: Please see our return policy here
WHAT'S INCLUDED: NHP Exhaust Headers (Must re-use factory steel gaskets)
Usage: For daily driver and occasional track use (Beginners).
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 Exhaust ha developed High Performance Exhaust Headers for the Porsche 991 Series. They are far superior to the factory exhaust headers.The factory Exhaust Headers have flat primary piping with a restrictive catalytic converter. If you are looking for that extra power and sound look no further.
Please continue reading below.
NHP Exhaust Headers L+R
Mounting Hardware muffler side flange only. You must re-use your factory steel gaskets.
WHAT'S NOT INCLUDED
Mounting hardware on engine side
The mounting bolts on the engine side are specialty bolts that have a specific length and a strong grade, we recommend replacement if these bolts have been there for a long time or have seen a lot of mileage the bolts may be to stress to reuse and properly torque. If your car is fairly new and has under 20K miles your bolts may be re-used.
Porsche uses metal gaskets these are in our opinion the best gaskets, they don't break and can be reused several times. In fact since that they are made out of steel we rarely replace gaskets for our in house exhaust installation unless damaged, however it is recommended by all service manuals to always replace gaskets. We recommend these be ordered at your local Porsche Dealer.
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 and cat-bypass exhausts are built and meant for off-road purposes.
Our Exhaust Products “Lifetime Warranty” does not cover catalytic converter error codes.
Please note that due to the deletion of your catalytic converter you will encounter a check engine light. You may want to flash your ECU to avoid that or install a 02 Sensor bung to help eliminate the possibility of a check engine light.