1986-93 Ford Mustang Holley Systemax II Intake Manifold Kit - Fox Body - 5.0 by Holley

Mustang Holley Systemax II Intake Manifold Kit (86-93) 5.0


Details   |  Description   |  Videos   |  Customer Photos   |  Reviews
Mustang Holley Systemax II Intake Manifold Kit (86-93) 5.0

Top off your 1986-1993 5.0L engine with this Systemax II Intake Manifold Kit from Holley!

Item #HLY-30072S
MPN# 300-72S

Everyday Low Price: $684.99

In Stock


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Benefits

  • Increased Horsepower
  • Increased Torque
  • Adds Under Hood Styling
  • 72mm Throttle Body Opening

Features

  • E.O. # D-115-11
  • Complete Manifold Kit
  • Retains Stock Injector
  • Retains Water Outlet Locations
  • External EGR Passage
  • 50 State Legal

What's in the Box

  • (1) Upper Intake Manifold
  • (1) Lower Intake Manifold
  • (1) Hardware Packet
  • Upper To Lower Intake Gasket
  • Installation Instructions

Product Description

Holley Systemax II Intake Manifold
These 5.0L EFI intake manifolds from Holley may be emissions-legal, but don't let that fool you into thinking they're restrictive, they flow tons of unrestricted air! They feature a 2,000 to 6,500 rpm power band, external EGR-passage maximized port and runner sizes, and they retain the stock injector and water outlet locations. The lower manifold ports match up to Holley cylinder heads, so you can be assured of getting the perfect match in the perfect power setup.

Application
- Fits 1986-1993 Ford Mustang

See what our customers have to say about this product!
Check out customer reviews.


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    Customer Photos (12)



    Product Reviews (11)


    4.6
    out of 5 stars
    4.5 stars
    11 reviews
    5 stars    9
    4 stars    1
    3 stars    0
    2 stars    1
    1 star    0

    100%
    OF CUSTOMERS
    RECOMMEND THIS PRODUCT
    11 of 11 REVIEWS
    RECOMMEND THIS PRODUCT
    11 of 11 REVIEWS


    5 Stars   Holley Systemax Intake
    By on 6/5/2014
    Image uploaded by Anthony M. Awesome intake with and without boost.

    Yes, I would recommend this item to a friend!


    Was this review helpful to you?

    5 Stars   sick intake.
    By on 3/20/2014
    Image uploaded by Moses F. This intake is sick. One of the best improvements done so far. Thank you Latemodel Restoration. Arrived here fast.

    Yes, I would recommend this item to a friend!


    Was this review helpful to you?

    5 Stars   Best one yet
    By on 10/9/2014
    I have this intake on my 1995 gt. holley 17 degree heads too. direct bolt up with no problems at all, only extra piece needed was adapter for throttle body. car runs like a scalled dog... 2 years of very hard driving on it so far and no problems of any kind. I am converting my 1980 F100 to this same set up.

    Yes, I would recommend this item to a friend!


    Was this review helpful to you?

    5 Stars   Pure amazement.
    By on 8/18/2014
    Image uploaded by Chris  C. What an amazing part! Doing a big motor build and this was highly recommended part. Expect to need some new lower intake bolts. I would also look into studs for the lower to upper bolt down. The bolt location under the hook up to the throttle body is almost un-usable.

    Yes, I would recommend this item to a friend!


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    5 Stars   Awesome
    By on 10/16/2014
    Image uploaded by Chad Kollar Have had this intake awhile now, and I must say I couldn't be happier. Best kit on the market especially, for boosted applications. I've seen alot of guys running this set up on their turbo cars.

    Yes, I would recommend this item to a friend!


    Was this review helpful to you?

    5 Stars   Thank you latemodel restoration. best intake I have ever used. had it painted and can out great.
    By on 12/30/2014
    Image uploaded by Moses F. Bought this intake from you and I love it.worked great on my 347 and N91 cam with Afr heads. Had it painted to match the car. Hope you like it.

    Yes, I would recommend this item to a friend!


    Was this review helpful to you?

    4 Stars   Awesome intake
    By on 4/26/2015
    Image uploaded by Darrin  M. I recently put this intake on my car. It's a very mild street car but I wanted something that looked better than the old ugly stocl upper. Needless to say this intake made the engine not only look better but the upper rpms are screaming. I would recommend this intake to anyone looking to replace their old stocker!

    Yes, I would recommend this item to a friend!


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    2 Stars   Don't buy unless you can fab baffle
    By on 4/21/2016
    Don't buy unless you want to have major oil consumption. The lower intake baffle is insufficient. You will need to make your own larger baffle since holley has not done anything to correct this issue. Or go to catch can setup closing the pcv or evac system.

    Yes, I would recommend this item to a friend!


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    5 Stars   Great high -rpm intake
    By on 2/17/2015
    This intake is one of if not the best flowing long-runner intake on the market. Just make sure you have all of your parts matched correctly. I did notice an increase in high rpm's but lost some torque down low compared to my old tubular GT40. My mph at the drags trip actually decreased even though I increased the boost on my Vortech from 6psi to 8.5psi. Also added acufab 75mm TB but guess it's just too much for my 8.6 compression 302 w/ tfs heads. Velocity must have been a lot beter with the smaller intake and my average power/must have been better, but this should work well with a 331 in the future. Also, the middle inside bolt is almost impossible to get to to tighten, but it's still a good intake.

    Yes, I would recommend this item to a friend!


    Was this review helpful to you?

    5 Stars   Best EFI manifold for the money
    By on 4/26/2016
    330 rwhp from a 306, AFR 165s, E cam, and shorty headers.

    Yes, I would recommend this item to a friend!


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    5 Stars   Nice intake
    By on 7/25/2015
    Been very happy with mine

    Yes, I would recommend this item to a friend!


    Was this review helpful to you?

    Vehicle Applications

    Ford Mustang - 1986 (86) - 1987 (87) - 1988 (88) - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93)


    About This Brand


    Holley
    Holley, The Heart & Soul of Performance.

    For over 100 years Holley has been proven to be an industry leader by providing Mustang enthusiasts and racers with the high performance carburetors , intake manifolds, cylinder heads, and other quality performance components needed for today's competition. Holley's performance Mustang parts are perfect for any daily driven or high horsepower race car.

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