*** This item is located in the USA warehouse so you will receive it within 2~4 business days but if you are not in a hurry and if you can wait, then you can buy the other item number 326019665327 that we sell for $200 less but that item is in China so you will have to wait about 30 days to receive it! ***
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Here is the Product Review. In this video it will show the entire procedure from start to end of the dyno test before the installation, installation and dyno test after the installation. It will also show the sound level test before and after as well as the actual driving impressions before and after. Enjoy~
PSI Custom OAP (Over Axle Pipe) that replaces the stock restrictive pipe with the GPF
We are proud to announce our first exhaust system from PSI, Inc. for your Porsche. It's Dyno-proven for maximum performance gain and a nice sound enhancement with some weight savings!
<Vehicle Fitment>
2020~2024 Porsche Cayman GTS/GT4 H6 4.0 (Flat 6)
2021~2024 Porsche Boxster GTS/Spyder H6 4.0 (Flat 6)
Ditch the factory's unnecessary GPF pipe that was designed for the European cars that's being used for American market as well. This stock system not only makes the car make less HP/Torque but it also silences the car to the point most Porsche owners complain it being way too quiet. Unlike European models these GPF pipes are not connected to any OBD2 or O2 sensors so removing them does not turn on the Check Engine Lights. This system not only unleashes the suffocated breathing but it also increases HP/Torque.
All necessary gaskets and bolts are included. No need to use the existing bolts and gaskets.
Ours is heat-shielded with the actual metal material (same material (stainless steel) as the OEM GPF pipes) unlike many other brands that use aluminized foil which can melt or deteriorate over time and extreme heat. This means our product, over time, will perform better than other similar products due to less heat.
The product from Fabspeed (heat-wrapped with aluminum foil) is $2,306.95
Our product (heat shielded with stainless steel thin metal material) is $1,999.
<Dyno Test - Stock>
- Superflow Dyno (Multiply by 1.2 to get the ratings at the crank)
336 WHP @ 7000-7300 (Wheel Horsepower)
277.5 WTQ (FT-LBS) @ 5100-6000 (Wheel Torque)
This translates to about 403 BHP and 333 TQ at the crank.
(Actual ratings may vary from cars to cars)
<Dyno Test - Our OAC Kit Installed>
350.3 WHP @ 7200 (Wheel Horsepower)
286.7 WTQ (FT-LBS) @ 5500 (Wheel Torque)
This translates to about 420 BHP and 344 TQ at the crank.
14.3 WHP (17.2 BHP) & 9.2 WTQ (11 BTQ) Gain Over Stock!
(Actual ratings may vary depending on the brand and setting of the Dynamometer, temperature, humidity, altitude, and your car)
<Noise Level - Stock>
Normal Mode at Idle: 70 dB
Normal Mode at Full Throttle (5000 RPM Limiter): 100.5 dB
Sport Mode at Idle: 75 dB
Sport Mode at Full Throttle (5000 RPM Limiter): 111 dB
<Noise Level - Our OAP Kit Installed>
Normal Mode at Idle: 70 dB
Normal Mode at Full Throttle (5000 RPM Limiter): 101.9 dB
Sport Mode at Idle: 77 dB
Sport Mode at Full Throttle (5000 RPM Limiter): 115.5 dB
<Weight Savings>
Stock GPF Kit: 25.2 LBS
Our OAP Kit: 13.6 LBS
Savings of 11.6 LBS
* The Power/Torque Gains are from the actual car but the results may vary depending on the car, dynamometer, altitude, temperature, humidity, etc..
* The Power/Torque can be further enhanced by Dyno-Tuning.
* This OAP Kit when used in conjunction with other kits such as Headers (Sports Cats or Cat-Delete), Mufflers and ECU Upgrade.
Disclaimer: By
purchasing this product, the buyer understands and hereby releases the seller PSIntl
from any actions, claims, loss, liability, damage or costs from the use,
mis-use, or malfunction of this product. You voluntarily assume personal
responsibility as a result of your choice to modify your vehicle. All
installations are at the customer’s own risk. PSIntl has no responsibility
either implied or otherwise for mechanical, electrical or other failure when
using aftermarket performance products. Some items listed may be illegal in
some States, countries and only for racing vehicles which may never be used on
a public road or highway. International Buyers – Import duties, taxes, and charges
are not included in the item price or shipping cost. Buyer is responsible for
these costs.
