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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29
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Description
MagnaFlow Muffler Mag SS 18X5X8 3 O/CThe MagnaFlow 5" X 8" Oval Straight Through 12259 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno proven performance thanks to its free flowing straight through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The reversible, universal 3 3in. diameter inlet outlet Straight Through layout allows you to install it in whatever orientation and configuration you see
The MagnaFlow 5" X 8" Oval Straight-Through 12259 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The reversible, universal 3/3in. diameter inlet/outlet Straight-Through layout allows you to install it in whatever orientation and configuration you see fit. However, professional installation is highly recommended. Muffler 12259's weight-optimized 5x8x18in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12259 is made of durable, corrosion resistant stainless steel and produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s limited lifetime construction warranty.User 1
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 4
Great for Merc 200
Bought for my 1985 Mercury Black Max 200. Perfect fit! Only downside was no instructions included.
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Reviewed in the United States on August 11, 2025
★★★★★ 5
Worked with slight modification
Had to slightly widen the holes in metal gasket to make it fit.
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Reviewed in the United States on September 30, 2025
★★★★★ 5
MRLAW
Timely delivery. Kit seems to made of high quality materials.
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Reviewed in the United States on August 12, 2025
★★★★★ 5
Very satisfied
Product was as described.
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Reviewed in the United States on July 24, 2025
★★★★★ 1
impeller
The equipment was okay. However, there's no way of verifying what outdrive.It was four, so obviously ordered the wrong one
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Reviewed in the United States on March 7, 2026