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Description, Reviews, Q&A
Description. The Holley GM Gen V LT Ultra Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7,000-8,000 rpm depending on the application.
The front entry throttle body flange has a 105mm opening to work with throttle body part number 112-581 or similar models. The front-feed base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood. The Ultra Lo-Ram provides a very low-profile modular intake manifold along with various fabrication flanges to aid the fabrication of special throttle body adapters or inlet ducts for custom installations. Available for OE direct fuel injection only and with port fuel injection provisions and a burst panel flange options.
For the port fuel injection option, the high volume -8AN fuel rail kit includes hardware and brackets to accommodate long (usually standard length) fuel injectors or short (such as Pico, or LS7) fuel injectors.
Warranty. Limited 90 Day
Fitment:
Holley EFI 300-713
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Oct 15, 2023
Review shared from Holley EFI Ultra Lo-Ram Intake Manifold with 2015-2023 GT350/GT500 Throttle Body Mount; Satin (11-23 Mustang GT, GT350)
Good but not perfect
I bought the black unit from Holley but felt like leaving a review for those looking into a higher end manifold. I moved my 2018+ (non-ported) manifold for this unit for my Procharged 2015 Mustang GT and it looks good; not as good as a Sniper though. On a deeper glance the modular design is subpar - it isn't aligned as nicely as I would have hoped for and the threads for the fuel rails had gunk in them making an easy/enjoyable task into something kind of irratating. I am still getting this setup finalized (with a GT350 TB) but so far it seems to have more grunt over the 2018+ which sounds right since some claim this manifold equivalent to a ported Cobra Jet. So I am hoping! If you are not boosted DO NOT waste your time. The amount of modification you need to do (extending wires, hoses, removal of smog equipment) just isn't worth it. In all seriousness, go with a GT350 manifold for the best overall fitment; over a 2018+ as well. Now if you are N/A and just want a nice manifold go with the tried and true Boss or Holley Sniper if you have the $$.
Jul 16, 2023
Review shared from Holley EFI Ultra Lo-Ram Intake Manifold with 2007-2014 GT500 Throttle Body Mount; Satin (11-23 Mustang GT, GT350)
2017 Mustang GT TT
Just installed this on my Hellion Twin Turbo’d Mustang GT and it’s such a big difference. I had a 2018 ported intake manifold and it did a great job but with this manifold. It’s a whole other beast. Once boost kicks in, the rear end just wants to give out. It was scary before, but now it’s just terrifying and I love it. Definitely suggest getting it if you’re TT or even N/A.