Nostrum 4.0T Audi Upgraded High Pressure Fuel Pump Kit
SKU: 25511011295

Nostrum 4.0T Audi Upgraded High Pressure Fuel Pump Kit

$45701.10 $50779.00
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Nostrum 4.0T Audi Upgraded High Pressure Fuel Pump KitWhat sets Nostrum 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 What comes in the box: Two Upgraded High Flow High Pressure Fuel Pumps Fuel Line Re Route

What sets Nostrum 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 

What comes in the box:

  • Two Upgraded High Flow High Pressure Fuel Pumps 
  • Fuel Line Re Route Kit with abrasion resistant sleeving and clips (RS7 and S6/S7 variants)
  • Low pressure inlet fitting plug for passenger side HPFP
  • Flex Fuel Sensor Kit with mounting bracket, hardware, and low-pressure line adapter
  • Plug and Play wire harness for DS1
  • All Installation Hardware 
  • Installation Instructions

 

A comprehensive and complete fueling upgrade, with all the hardware and high-quality parts needed for a fast and effective installation. Provides a 33% displacement increase over stock fuel system, improved bank to bank flow delivery with our fuel line rerouting kit, and full ethanol compatibility. 

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).

This complete kit includes pre-assembled low pressure fuel lines to eliminate the low pressure restriction in the factory fuel system. These lines also include abrasion sleeves, clips, and hardware for a high quality & durable installation. An ethanol sensor is pre-mounted on the stainless steel bracket for easy installation. Two different fuel line options are provided for integration between the vehicle fuel line and the ethanol sensor - one for RS7 and one for S6/S7 (see instructions). The highly detailed wire harness provides OEM grade solution to integrate the E85 sensor directly to the vehcile and integrate with the DS1 module at the OBD port. This is truly the only complete kit on the market with everything you need for a high quality, robust, effective solution for your E85 conversion! 

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. 

Vehicle Applications:

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

Features

  • WHP Potential on Gasoline: 950 WHP
  • WHP Potential on E85: 750 WHP
  • Tune Requirement: Yes
  • Recommended Tuning Suite: Dyno Spectrum (Preferred), HP Tuners** (**with modified XDF file)
  • Displacement Increase Over Stock: 33%
  • Geometric displacement: 1.56 cc/rev per pump
  • Max Operating Pressure: 20% higher than stock (16.5MPa, 165bar, ~2393psi)
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: 25511011295

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4.4 ★★★★★
Based on 986 reviews
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A
Verified Purchase
Angie P.
Waukegan, US
★★★★★ 5
Works well and fast
Color: Gray
I have very dry and cracked heals and this has helped a lot in just two nights . They are very soothing and comfortable to wear
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
N
Verified Purchase
Nurse Jesica
Pawtucket, US
★★★★★ 5
My Heels Were in Bad Shape. Like… Really Bad
Color: Gray
These moisturizing heel socks with the gel cushions were honestly a small miracle for me. After recovering from cancer treatments, my skin became extremely dry everywhere, but my heels were the worst. They cracked so deeply they looked like fissures and were even bleeding. I tried lotions and bandages repeatedly with very little progress. A friend suggested I treat my heel like it might have a fungal component, so I applied Lotrimin cream, put these heel socks on, and hoped for the best. Within three days, my heels were fully healed. I completed a 7-day routine, and my feet have never been softer. The silicone gel cushion is comfortable, soothing, and stays in place. I loved it so much that I still treat myself about once a week, even though I really don’t need to anymore. They are also washable. I hand-washed mine in the sink and let them air dry, and they came out looking brand new. If your heels are cracked, painful, or need serious care, I highly recommend these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026
B
Verified Purchase
Becky
Lexington, US
★★★★★ 5
Work well on hubby's heals
Color: Gray
Dr recommended these for hubby's dry cracked heals
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
M
Verified Purchase
Misha
Los Angeles, US
★★★★★ 3
Ehh. Not for me.
Color: Gray
Foot slides when walking in them. The fit was tighter than lead to believe. It did hold the moisture in but the silicone patch is small
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
B
Verified Purchase
Bonnie
Waukegan, US
★★★★★ 5
Is this the CURE!
Size: Regular, Color: Cream
I have a skin disease called Ichthyosis Vulgaris. Yes, SCALEY FISH! Thanks MOM! This unfortunate crud leaves my heels an embarrassing mess! They are cracked and dry and literally like concrete. I have had this disease all my life and there is NO cure. It's hideous! Anyway, I have tried so many different experiments to help improve my situation. So much time and money I will never get back. So when I saw these, I had to give them a try too because I am a forever optimist and love being disappointed. Here's how it went. First I put my dermatologist recommended AmLactin on my crusty heels. Then, I put the socks on. By the way, with no problem at all, and went to bed. I was not too hot, which is usually what happens when I sleep with socks on. I never even realized that I had them on. When I woke up, I took them off and immediately used a "Heel File" over a towel removing all the yuck!. Then, I sand papered them to smooth the skin out. Then, I doused them with Shea and Aloe foot lotion I found at the bottom of my experiment drawer in my bathroom. Oh, they felt like someone else's feet. I am very hopeful at this moment! Is this the cure to my embarrassing situation? I sure hope so. Spring is here and I would really like to wear my cute flip-flops when I go to the Waffle House and set at the bar. Wasn't that a picture on Facebook of someone nasty heels? It made me gag. Then, I had to make sure that picture wasn't me! I am going to do this for a week and come back for another review. Wish me luck ya'll! UPDATE! So it’s been about two weeks. I wish that I had taken a before and after picture. I guess I figure that this too will be a waste of money. NO! These little socks are a God send for me. I did buy AmLactin foot repair cream and that I highly recommend. It’s the best so far. They also offer an option with heel socks. They are soft and work very well also but one negative. They leave fuzzies on you feet and tools. Guys this is it for me. My search is over! I went to my mani/pedi queen yesterday and she was shocked when she saw my feet. She is spreading the word!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2025

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