Gibson
Gibson Cat-Back Single Exhaust System Aluminized GIB18815
Gibson Cat-Back Single Exhaust System Aluminized GIB18815
Part number: 8O12M
Regular price
$593.05 USD
Regular price
Sale price
$593.05 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Gibson Cat-Back Single Exhaust System Aluminized GIB18815, with the part number and details listed below. A performance exhaust changes the sound and can improve flow; replacement parts restore a quiet, leak-free system.
Quick facts
- Brand: Gibson
- Part type: Exhaust part
Listed fitment
- 2017 - 2021 Toyota 4Runner Base
- 2004 - 2009 Toyota 4Runner Sport
- 2004 - 2022 Toyota 4Runner SR5, Limited
- 2010 - 2022 Toyota 4Runner Trail
- 2017 - 2022 Toyota 4Runner TRD Off-Road
- 2018 - 2022 Toyota 4Runner TRD Off-Road Premium, SR5 Premium
- 2015 - 2022 Toyota 4Runner TRD Pro
- 2022 Toyota 4Runner TRD Sport
- 2020 - 2022 Toyota 4Runner Venture, Nightshade
Tip: Check local noise and emissions rules, and use new gaskets and hangers when you fit it.

Gibson exhaust part: what to know
A performance exhaust changes the sound and can improve flow; replacement parts restore a quiet, leak-free system.
Fitment notes
- Specs, lead time and warranty come from Gibson and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Clamps and hangers. Old hardware is usually rusted.
- Gaskets. New gaskets prevent leaks at each joint.
More for your car: Exhaust · Exhaust
Questions about exhaust part
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Is this street legal where I live?
Rules vary by state. Check local noise and emissions rules before you buy.
Where do specs and warranty details come from?
From Gibson. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.
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