Exhaust Muffler for 4 x 9in. Oval Straight-Through Performance Exhaust Muffler MagnaFlow 11239
SKU: 85660156718

Exhaust Muffler for 4 x 9in. Oval Straight-Through Performance Exhaust Muffler MagnaFlow 11239

Sale price$134.10 Regular price$149.00
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Exhaust Muffler for 4 x 9in. Oval Straight-Through Performance Exhaust Muffler MagnaFlow 11239Exhaust Muffler Universal Performance Muffler 3 3 The MagnaFlow 4" X 9" Oval Straight Through 11239 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

Exhaust Muffler

Universal Performance Muffler - 3/3

The MagnaFlow 4" X 9" Oval Straight-Through 11239 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 11239's weight-optimized 4x9x14in. oval-shaped body features a satin finish that elevates the overall aesthetics of your current exhaust setup. 11239 is made of durable, corrosion resistant stainless steel and produced using cutting-edge CNC precision robotic manufacturing techniques, all backed by MagnaFlows limited lifetime construction warranty.

Specs:

Body Height : 4 IN
Body Length : 14 IN
Body Material : Stainless Steel
Body Width : 9 IN
Core Diameter : 3 IN
Exhaust Tip Quantity : 0
Finish : Satin
Hanger Included : NO
Inlet Inside Diameter : 3 IN
Inlet Quantity : 1
Inlet Type : Offset
Muffler Type : Straight-through
Outlet Inside Diameter : 3 IN
Outlet Quantity : 1
Outlet Type : Offset
Overall Length : 18 IN
Reversible : Yes
Series : Straight-through
Shape : Oval
Title : MagnaFlow 4 X 9in. Oval Straight-Through Performance Exhaust Muffler 11239
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 85660156718

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Amazon Customer
Houston, US
★★★★★ 3
The style
Overall the suit is good. The picture shows white buttons, but came in black. I have to swap out the black for all white.
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Reviewed in the United States on November 3, 2025
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Loren
Boise, US
★★★★★ 1
Failure at every step
Item sent was wrong size, missing pieces and used! Not happy. Thankfully Amazon made it right because Coofandy dropped the ball completely. Think twice before ordering from this vendor.
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Reviewed in the United States on March 21, 2026
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Jerry
Natrona Heights, US
★★★★★ 5
Great fit
Size: Large, Color: Black
Great fit!
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Reviewed in the United States on February 11, 2026
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Michael L. Chernault
Dallas, US
★★★★★ 5
Know your body type.
Color: Navy Blue, Size: Large
I really liked the look and the buttons when I ordered it but I wound up returning only because I have to have a slim or fitted cut for any shirt to look good on me. This shirt did not hug me in the sides and looked like I was wearing someone else’s clothes. Nice shirt and good quality but it didn’t fit me personally. I did consider having it tailored but the cost of doing that was almost as much as the shirt.
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Reviewed in the United States on May 31, 2026
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Jason Stevens
Grantham, US
★★★★★ 5
Cool comfortable good looks
Color: Navy Blue, Size: X-Large
Nice fit really comfortable good color not a hot shirt
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Reviewed in the United States on May 18, 2026

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