Turner Motorsport Turner Carbon Fiber Add-On Lower Diffuser Kit - F8X 24623tms01KT

Turner Carbon Fiber Add-On Lower Diffuser Kit - F8X

If you already have the Turner upper diffuser installed on your vehicle, this kit includes all of the hardware you need to install the lower as well.
Turner Motorsport Turner Motorsport
T#: 587860 | Part#: 24623tms01KT
Only for use with T#584863
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1326.95
SALE: $1326.95 (3% OFF)
WAS: $1367.99 on 06-14-2026

This product was last offered at the strikethrough price on
06-14-2026

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Est. Ship Date:
on Jul 20, 2026
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Turner Carbon Upper & Lower Rear Diffuser Kit - F8X
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Turner Carbon Upper & Lower Rear Diffuser Kit - F8X

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$2099.99

$1784.99
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Turner Motorsport Turner Carbon Fiber Add-On Lower Diffuser Kit - F8X 24623tms01KT
Turner Carbon Fiber Add-On Lower Diffuser Kit - F8X
$1326.95

*Click HERE for Install Instructions*



Installed the upper piece and now want to add the Lower Diffuser? The Engineered in-house by Turner Motorsport, using state of the art 3D laser scanning and CAD technology for precision OE like fitment. The Lower Add-on Diffuser mounts to insert mounts located on the Upper Diffuser, as well as the bumper. TMS carbon fiber products are made from lightweight, hand laid epoxy resin pre-impregnated 2x2 twill weave carbon fiber cloth, and autoclave cured. Clear coated for excellent finish durability and UV resistance and rated to withstand 100°C (212*F) continuous use, and 120°C (248*F) intermittent use.

Can be painted for a color-matched look with standard body shop prep work.
Want to complete the look? Click here

Features

  • Turner Lower Diffuser with 2 varying heights

  • In-house engineered using state of the art 3D laser scanning and CAD technology for precision fitment 

  • Mounts to existing bumper insert mounting locations with OE hardware

  • TMS carbon fiber products are made from lightweight, hand-laid epoxy resin pre-impregnated 2x2 twill weave carbon fiber cloth and autoclave cured

  • Clear coated for excellent finish durability and UV resistance

  • Rated to withstand 100°C (212*F) continuous use, and 120°C (248*F) intermittent use

  • Supports up to 4" exhaust tips


Prop 65 WarningProp 65 Warning
Qty Description T# Part# Lifetime
1 3M Tape - 20 inches T#587257 03614~20 YES
1 Turner F8x Rear Diffuser Hardware T#587254 024623TMS02~A YES
1 Turner Carbon Fiber Add-On Lower Diffuser - F8X T#586805 024623TMS01~A YES

Product Q&A

Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW F80 M3 S55 3.0L Use vehicle selector to confirm fitment
BMW F82 M4 S55 3.0L Use vehicle selector to confirm fitment
BMW F83 M4 S55 3.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.