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557-201 Boost Controller - Universal, Kit

You Save : $36.05 (10%)
List Price : $357.00
Manufacturer #557-201
( Reviews)
Questions, Answers
Universal Fit Add Vehicle


EFI High Flow Dual Solenoid Series
90-day Holley limited warranty
Anticipated Ship Out Time:
15-16 business days
Quantity Sold:
Product Fit:

Product Information

Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 90 days and we’ll take care of it. Check out our Warranty Policy for more details.
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We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
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Question and Answer

What is the horsepower increase with this part?LunatikJun 03, 2020
How many horses does it add? and how much torque also?Casper!Sep 02, 2020
Best Answer:Hello! That is fully dependent on your tune and turbo setup. You cannot add boost without tuning the fuel and spark to compensate, or major engine damage could occur.
Mitchell D.STAFFSep 02, 2020
what does it do and how does it work?Roy B.Aug 23, 2020
Best Answer:Hello! This would be used in conjunction with other Holley engine controllers to increase the boost pressure in your turbocharged vehicle.
Mitchell D.STAFFAug 24, 2020
Need a video of how this product works/operates and it is installed?Roy B.Aug 23, 2020
Best Answer:Hello! Here is a link to the manufacturer's installation instructions: <a href="" target="_blank"></a>
Mitchell D.STAFFAug 24, 2020
Can I hook this up to my base model Grand Prix without any additional add ons?KeithJun 17, 2020
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