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ACS Composite

Rear Bumper Side Extensions

Rear Bumper Side Extensions


Regular price $249.00 USD
Regular price Sale price $249.00 USD
Sale Sold out Coming soon

ACS Composite Rear Bumper Side Extensions [33-4-137]

Elevate the style of your Camaro and complete the uniform look with ACS Composite Rear Bumper Side Extensions. Designed to complement our side rockers [33-4-027], these extensions are made with our RTM composite process, providing a smooth finish on both sides for an OEM appearance. Easy to install, the extensions come with mechanical fasteners, eliminating the need for messy adhesive or tape.


  • Adds a unique and sleek look to your Camaro
  • Manufactured with high-quality RTM composite process for a smooth and durable finish
  • No messy adhesive or tape required for installation
  • Complete the uniform look with our matching side rockers [33-4-027]


  • Includes passenger and driver side bumper extensions
  • Comes with 4 rivets and instructions for easy installation
  • Fits all Camaros except ZL1

Elevate your Camaro to the next level with ACS Composite Rear Bumper Side Extensions [33-4-137]. Add a unique and sleek look that complements our side rockers and completes the uniform look of your Camaro. Manufactured with high-quality RTM composite process, these bumper extensions have a smooth and durable finish for a sleek and OEM appearance. With mechanical fasteners, installation is a breeze, and there is no need for messy adhesive or tape. Don't settle for less when it comes to your Camaro, choose ACS Composite for the highest quality performance mods.


RTM Composite

A compression molding technique involving high pressure and heat to create a solid, smooth fiberglass panel. Stronger than hand layup.

Install video

Sorry, no install video is available. Check back later.

Surface finish

The Rear Bumper Side Extensions comes in the following surface finish:

Satin Black

A paint swatch of 1LE Black

Vehicle fitment

  • Gen5 2010-13 SS
  • Gen5 2010-13 LS LT RS
  1. Coupe
  2. Convertible/HTC

Shipping & Returns

Free shipping & 30-day returns if you are not fully satisfied. See Return Policy for full details.

Rear Bumper Side Extensions care instructions View full details
  • Free Shipping

    This product qualifies for free shipping to the following countries:

    • Canada
    • United States (Excludes Hawaii & Puerto Rico).
  • Made in North America

    Buy with confidence knowing each part was designed, made, and painted within North America.

  • Tools Required

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Customer reviews

Based on 5 reviews Average rating: 4.8 / 5 stars

Great service and quality products.

Alan Jones

| |

England, United Kingdom

Nice products and great customer service

Thank you for sharing your experience with ACS Composite. We're thrilled to hear that you're happy with our products and that our customer service left a positive impression. We appreciate your support and hope to continue providing you with high-quality products and exceptional service.

- ACS Composite

Excellent Quality and Fit.

Brandon Harreld

| |

Indiana, United States

Products are high quality perfect fit couldn't ask for more. Thank you.

Thank you for leaving this awesome feedback! We're thrilled to hear that you are satisfied with our rear bumper side extensions Camaro SS RS LS LT product. Our team always strives to provide top-notch products and we're glad to know we hit the mark. Enjoy your new extensions!

- ACS Composite

"Fast Delivery, Great Quality!"

Demetrius Branch

| |

Nevada, United States

I was very impressed with the delivery time that i received my product. I am very satisfied with my product,the quality is great,easy to install. And the packaging was nice.

Thank you so much for taking the time to leave us a review! We are thrilled to hear that you are happy with the quality of your purchase and that the delivery time met your expectations. We appreciate your business and hope to serve you again soon!

- ACS Composite

"High-quality extensions"

eric bayze

| |

California, United States

Solid products

Thank you for leaving a 4.5 star review for the rear bumper side extensions camaro ss rs ls lt product. We appreciate your feedback.

- ACS Composite

Great Packaging and Delivery Time.

Glenn Bryant

| |

Connecticut, United States

Product was received packaged very well and in a timely manner.

Thank you for taking the time to leave a review of our rear bumper side extensions for the Camaro SS, RS, LS, and LT models. We're glad to hear that you were happy with the way your product arrived, and that it was timely. We're committed to ensuring that our products arrive in excellent condition, and we're thrilled that we were able to deliver that experience for you. Thanks again for choosing ACS Composite!

- ACS Composite