SKU: 21812276573

Nostrum 4.0T Audi C7 Upgraded High Pressure Fuel Pump SET

Sale price$1012.50 Regular price$1125.00
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

Nostrum 4.0T Audi C7 Upgraded High Pressure Fuel Pump SETWhat sets the Nostrum 4. 0T Audi High Pressure Fuel Pumps apart: Upgraded HPFPs using all new Hitachi pump cores Every pump is serialized and coded, then flow tested in house at multiple vehicle relevant speed &fuel pressure points Direct fitment with no adaptors, comprehensive kit with everything required for an easy high quality installation Detailed installation instructions Detailed tuning guide This pump set includes two upgrade high pressure

What sets the Nostrum 4.0T Audi High Pressure Fuel Pumps apart: 

  • Upgraded HPFPs using all-new Hitachi pump cores  
  • Every pump is serialized and coded, then flow tested in house at multiple vehicle relevant speed &fuel pressure points 
  • Direct fitment with no adaptors, comprehensive kit with everything required for an easy high-quality installation 
  • Detailed installation instructions  
  • Detailed tuning guide 

This pump set includes two upgrade high pressure fuel pumps and a special pressure sensor plug. The upgraded pumps provide a 33% displacement increase over stock fuel system and 22% higher operating pressure than the factory pumps, all fully ethanol compatibility. These pumps not only provide more high pressure fuel capacity, but they also provide a virtual injector increase of 11% through the new higher max operating pressure! 

Professionally assembled using all new parts, Nostrum pumps are 100% tested for leaks and dynamically tested at engine relevant rpms and target pressures to assure quality & performance. This kit upgrade with Dyno Spectrum tuning is capable of an amazing 666 ft-lbs of torque at just 3500rpm!!!! (as demonstrated on NHP's stock RS7 development vehicle). Even with stock injectors, the vehicle is able to run out of mechanical fuel pump at low RPM. This kit upgrade with Dyno Spectrum tuning is capable of an amazing 666 ft-lbs of torque at just 3500rpm, while the higher operating pressure allows for more fuel delivery, increasing horsepower up top. This is basically a free injector upgrade, without having to go through a 22 hour injector install! 

Nostrum backs every part we sell with a limited lifetime warranty. All Nostrum products come complete with everything you need inside the box, including detailed installation instructions. Tuning guides are also available for your dealer or tuner. We have customer service and calibration engineers on staff to provide you with any support that you may need, from installation to tuning. 

What comes in the box:

  • Two High Flow High Pressure Fuel Pumps 
  • Low pressure inlet fitting plug for passenger side HPFP 
  • All Installation Hardware 
  • Installation Guide 

Vehicle application list:

  • Audi C7 RS7 2014-2018 
  • Audi C7 RS6 2013-2018 
  • Audi C7 S7 2013-2018 
  • Audi C7 S6 2012-2018 

Features

  • WHP Potential on Gasoline: 1000
  • WHP Potential on E85: 750
  • Tune Required: Yes
  • Recommended tuning suite: Dyno Spectrum, HP Tuners** (**with Nostrum modified XDF)
  • Maximum Operating Pressure: 16.5 MPa, 165 bar, 2400psi (22% higher than stock)
  • Displacement increase over stock: 33%
  • Per pump displacement: 1.56 cc/rev
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21812276573

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Ann
Carnegie, US
★★★★★ 5
Effective
Size: L (up to size 11)-Pink
Fantastic. I put lotion on my feet & wear them when I go to sleep. I often wake up during the night and will remove them to find my feet soft and smooth. They are strong and fit my size 10 womens’ size.
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Reviewed in the United States on March 27, 2026
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Stacy
Pawtucket, US
★★★★★ 1
The shoe size should be smaller 9 is the max and it is still to tight
Size: M (up to size 9)-Beige, Size: M (up to size 9)-Beige
Very tight had to take off my feet in the middle of the night they were cutting off my circulation.
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Reviewed in the United States on February 17, 2026
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michele p.
Houston, US
★★★★★ 5
Great product to keep moisture in
Size: M (up to size 9)-Beige
These are so cool. I was skeptical at first. After an at home pedicure I put lotion on and keep these on for about a few hours. The moisture retention, and comfort and fit or absolutely amazing!
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Reviewed in the United States on April 24, 2025
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Amy
Omaha, US
★★★★★ 5
These work!
Size: M (up to size 9)-Beige
I’ve had dry cracked feet my whole life. Tried these last night with lotion from Trader Joe’s and literally overnight my feet are the softest they’ve ever been. I put a pair of socks over them and went to sleep with them on. Hard to walk around with all that slippery-ness but worth it! 10/10✨👌
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Reviewed in the United States on June 11, 2025
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View from the hills
Omaha, US
★★★★★ 5
Enables the person to move around while wearing.
These silicon socks look a bit odd at first glance but they work great and best of all, any lotions and oily creams are contained on the inside so you can walk around. They are very soft. I haven't had them long so I can't comment on durability, but they are not made of lightweight material.
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Reviewed in the United States on March 10, 2026

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