Gibson CFT Oval Muffler 2.5in Offset Inlet 2.5in Offset Outlet 4x9x18in Stainless
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Expected ship time: usually within 24–48 hours; some vendor items may take longer.
Regular price
$431.83
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
With a 4x9x18in oval body, this Gibson CFT muffler takes 2.5in pipe in and sends it out through 2.5in. Gibson tunes the CFT with resonance chambers, directional louvered ports and angular induction that pull exhaust in and push it out at higher velocity. The chambered, louvered core has no packing to degrade, the internals are fully welded, and the muffler is reversible.
Key Features
- Inlet: 2.5in offset
- Outlet: 2.5in offset
- Body: 4x9x18in oval
- Chambered and louvered core
- Non-packed, so the tone does not fade over time
- Fully welded internal construction
- Reversible
Product Details
- Brand: Gibson Performance
- Manufacturer Part Number: 55172S
- Product line: CFT Superflow
- Material: Stainless steel
- Warranty: Lifetime limited
- Made in the USA
Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).
Shipping Height: 5.0
Shipping Length: 27.0
Shipping Width: 10.0
California Emissions (CARB)
Not legal for sale or use on pollution-controlled motor vehicles in California or other states that adopt California emissions standards. For off-road and competition use only.
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit
www.P65Warnings.ca.gov.