Pay in installments of $40.75 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
MagnaFlow Muffler Mag SS 14X5X8 2.5 C/DThe MagnaFlow 5 X 8in. Oval Straight Through Performance Exhaust Muffler 12158 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 2. 5 2. 5in. diameter inlet outlet Straight Through layout allows you to install it in whatever
The MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 12158 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 2.5/2.5in. 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 12158s weight-optimized 5x8x14in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 12158 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.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
4.1 ★★★★★
Based on 10 reviews
Sort
Product Reviews
★★★★★ 5
True to size!
Size: 7 Years, Color: Black
Worked perfectly for my 6 year old for my wedding
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 29, 2025
★★★★★ 3
Failed Quality Check
The construction is nice and the color and size are good. I like that it has functional pockets.
I’m giving three stars based on the fact that it arrived dirty. There are stains in two spots and will need to be spot treated before washing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
★★★★★ 5
Great product for the price
Size: 4T, Color: Black
Great product for the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2022
★★★★★ 5
Good quality
Was used for a costume, it fit my little boy really well & held up great despite washing multiple times
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2019
★★★★★ 5
Kindergarten prom
Size: 4, Color: Burgundy, Size: 4, Color: Burgundy
Item was very nice, it came quickly and he wore it to his lil prom yesterday. Will reorder in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026