Exterior Components› Body Panels and Components

TruFiber

LG355 Real Carbon Fiber Rear Diffuser

$1,087.90

SKU: TC10027-LG355

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The TruFiber LG355 is a rear diffuser designed for the 2018 S550 Mustang GT. It is constructed from vacuum-infused real carbon fiber with a 3K, 2x2 twill weave.

This diffuser features a show-quality finish with a clear coat that provides UV protection. It is designed as a direct replacement part and is also paintable.
Show original supplier description
The TruFiber LG355 Rear Diffuser is engineered to enhance the aesthetics and aerodynamics of the 2018 S550 Mustang GT. Crafted from genuine carbon fiber using a vacuum infusion process, this component showcases a sophisticated 3K, 2x2 twill weave pattern. Designed for a direct replacement fit, the LG355 diffuser boasts a show-quality finish protected by a clear coat that offers essential UV resistance, preventing degradation from sun exposure. Its paintable surface allows for further customization to match your Mustang's unique style. This rear diffuser is specifically designed for the 2018 Mustang GT models.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTruFiber
Part NumberTC10027-LG355
CategoryExterior Components
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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