Welcome to our Fall Website Refresh. Beta testing in progress. Phone Number: 805-267-9762 This month's discount code: HALLOWEEK3 

Welcome to our Fall Website Refresh. Beta testing in progress. Phone Number: 805-267-9762 This month's discount code: HALLOWEEK3 

aFe Power 2018-2023 Ford Mustang GT V8-5.0L aFe POWER 85mm Billet Throttle Body

  • 85mm Bore Diameter, No tuning required
  • Aerodynamically designed flow path, Dyno proven HP and TQ gains
  • Retains OEM electronics and gearing mechanism, No rough idling, No CEL
  • Billet Aluminum, precision machined, black anodized finish, Perfect fitment, subtle, custom look
  • Furnished complete, all hardware included, Simple installation, less than 1 hour
$689.85

Available

Category: SKU: 46-39101

aFe Power 2018-2023 Ford Mustang GT V8-5.0L aFe POWER 85mm Billet Throttle Body

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WE WOULDN’T DO IT IF IT DIDN’T MAKE POWER

Test results on aFe’s Dynojet dyno showed power gains across the power band, topping out at +17 HP and +15 lb-ft torque at 6,000 rpm. Testing was conducted on a 2020 Mustang 5.0 comparing stock and the aFe Power BTB (all tests conducted using 91-octane fuel). No other modifications to the vehicle were made, so imagine the potential when you add in other performance enhancing products such as a cold air intake, tuner and cat-back exhaust! By the way, for you truck enthusiasts, this product also fits the F-Series (see application table for exact vehicle fitment).

HOW DID WE DO IT?

Not only did we increase the bore diameter from the stock 80 mm to 85 mm, we redesigned the throttle body from the ground up, aerodynamically improving the air flow path. Why 85 mm and not larger? 3 reasons: 1) At 85 mm, no custom tuning is required so this works right out of the box; 2) The 85 mm diameter provides a direct path into the 84 mm intake manifold opening, a larger diameter would require modification to the stock manifold, or use of an aftermarket one; and 3) The mounting diameter for your intake tube is only slightly increased, but it allows you to retain the stock intake tube or you can upgrade to a cold air intake without having any special adapters.

WHAT’S IT MADE OF?

Not wanting to be like the rest, aFe chose to make the BTB out of billet 6061-T6 aluminum, precision machined and capped off with a black anodized finish for that stealthy custom look. As a finishing touch, we have laser etched the aFe Power logo and throttle body size right on the top. Each throttle body is serialized for authenticity

NOT JUST MORE AIR, BETTER AIR!

Not only does our design out flow the OE by 17% at WOT (measured at 4” H2O restriction), the air flow at 90% of throttle blade opening is also dramatically improved, offering much smoother power delivery during spirited driving in the upper RPM range. This is achieved through careful engineering, billet construction and precision machining, allowing for smoother transitions, a thin leading edge and an aerodynamically improved design. The result of all this is more fully formed air passing through the throttle body into the intake manifold. Think of the wings of an airplane and how effortlessly the air passes around them.

THE HEART OF THE BODY

To address any performance concerns such as rough idling or check engine lights (CEL’s), aFe chose to use OEM electronics and gearing mechanism to ensure proper function and connectivity. Again, the 85mm throttle body does not require any custom tuning: it works well right out of the box.

WHAT DO YOU MEAN IT WORKS RIGHT OUT OF THE BOX?

This is one of the simpler bolt on upgrades you can do to your car or truck. Simply loosen or remove the air intake tube and there are only 4 bolts and one electrical connector to remove. Install the BTB with the supplied hardware, re-attach your intake tube and that’s about it.

Emissions DisclaimerSome or all of the applications listed are 50-state exempt, please see CARB EO# D-550-54/D-550-59 for details.
 


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At Function Factory Performance, customer service is our top priority. We know that finding the right parts can be overwhelming, so we’re here to make the process smooth and enjoyable. We’re always ahead of the curve with our commitment to education and awareness. Let’s make this experience simple and awesome together! Don’t hesitate to call us at (480) 576-8606 or click here to reach us via email.

Make sure to follow us on Instagram: @FFPerformanceAZ and Youtube.

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If it’s in stock and ready to roll, your order usually hits the road within 1–3 business days.

For made-to-order or specialty items (like carbon fiber parts or custom builds), the turnaround can take up to 8 weeks — perfection takes time.

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