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MagnaFlow Performance Exhaust Muffler 12258
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 17, 2026 4:07 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰At 36% above its usual rate, this is currently priced higher than what most shoppers have paid.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0.79/20
Deal Strength
0/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
DotComParts, Inc.
🚚 Shipping
Free Shipping
Product Details
✓SIGNATURE MAGNAFLOW SOUND - The 5" x 8" Oval body of muffler 12258 is engineered to deliver the deep, resonating sound that MagnaFlow mufflers are famous for.
✓DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 5" x 8" Oval muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases.
✓OPTIMAL ARCHITECTURE & CONSTRUCTION - The internal architecture of this muffler features a straight-through perforated core with two-stage acoustic packing which maintains the velocity of exhaust flow while generating a smooth, deep exhaust tone. Proudly made in the USA.
✓UNIVERSAL FITMENT - 12258’s universal design enables custom muffler placement and orientation to meet the particular spacing and mechanical requirements of your vehicle. Professional installation is highly recommended.
✓LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty.
⚙️ Specifications
Brand
MagnaFlow Exhaust Products
Material
Stainless Steel
Vehicle Service Type
Car, Truck
Item Weight
10 pounds
Configuration
Center/Dual
Shape
Oval
Inlet Connection Size
2.5 inches
Outlet Connection Size
2.25 inches
UPC
841380000910
Manufacturer
MagnaFlow Exhaust Products
Global Trade Identification Number
00841380000910
