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Item #:
11474689
Flowmaster 842451 Flowmaster 50-Series Delta Flow Stainless Muffler - Universal 2.25in Offset/Center
89% of respondents would recommend this to a friend
Item #:
11474689
BND 354
Price Details
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Imported from USA store
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The three chamber design utilizes Flowmaster's Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle.
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What Stands Out
Enhanced Performance
The Flowmaster 50 Series Delta Flow muffler optimizes exhaust flow for improved horsepower and torque, delivering noticeable performance gains compared to standard mufflers.
Distinct Sound
This muffler provides a deep, aggressive tone that enhances your vehicle's presence without excessive noise, offering a perfect balance between performance and comfort.
Durable Construction
Built from high-quality materials, the Flowmaster muffler ensures long-lasting durability and resistance to rust and corrosion, giving buyers confidence in their investment.
Product Details
- Mild to moderate exterior exhaust tone
- Reduced interior resonance for a quieter ride
- Designed with three chamber and patented Delta Flow technology
- Constructed with 16 gauge 409S stainless steel for durability
- Race proven technology for improved horsepower, torque, and potential mileage
- Universal fit for street rods, cars, and trucks
| Brand Name | Flowmaster |
| Manufacturer Part Number | 842451 |
| UPC | 700042018284 |
| Manufacturer | Flowmaster |
| Global Trade Identification Number | 00700042018284 |
| Number of Items | 1 |
| Included Components | Flowmaster 842451 50 Delta Muffler 409S - 2.25 Offset IN / 2.25 Center OUT - Moderate Sound |
| Item Type Name | Flowmaster 842451 50 Delta Muffler 409S - 2.25 Offset IN / 2.25 Center OUT - Moderate Sound |
| Model Number | 842451 |
| Unit Count | 1 Count |
| Item Dimensions | 24.8 x 10 x 4.5 inches (63 x 25.4 x 11.4 cm) |
| Item Weight | 0.27 g |
| Material Type | Plastic |
| Shape | Oval |
| Compatible with Vehicle Type | Car, Truck |
| OEM Equivalent Part Number | 842451 |
| Part Interchange Info | 842451 |
| Brand | Flowmaster |
| Material | Plastic |
| Item dimensions L x W x H | 24.8 x 10 x 4.5 inches (63 x 25.4 x 11.4 cm) |
| Vehicle Service Type | Car, Truck |
Who Should Buy?
-
Performance Enthusiasts
Users looking to enhance their vehicle's exhaust performance will appreciate the improved airflow and horsepower from this muffler.
-
Sound Seekers
Drivers wanting a deep, aggressive exhaust note will enjoy the distinct sound produced by the Flowmaster 50 Series.
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Mid-Sized Trucks
Ideal for mid-sized trucks requiring better exhaust flow for towing and hauling capabilities, optimizing performance and sound.
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Quiet Drive Lovers
Those preferring a quiet, subdued driving experience may find this muffler too loud for their liking.
Product Description
Flowmaster 842451 Flowmaster 50-Series Delta Flow Stainless Muffler - Universal 2.25in Offset/Center
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Customer Questions & Answers
-
Question:
What is the material used to construct this product?
Answer: This product is constructed of 16 gauge 409S stainless steel. -
Question:
Does this product improve performance?
Answer: Yes, this product can potentially improve horsepower or torque as well as mileage. -
Question:
Is this product suitable for all vehicles?
Answer: This product has a universal fit, but it's always recommended to verify with the manufacturer for compatibility with your specific vehicle make and model. -
Question:
Will this fit on 05 pt cruiser convertible?
Answer: Yes, it will fit on 05 pt cruiser convertible. -
Question:
Will it give a nice throaty sound?
Answer: It will provide a moderate low resonating rumble sound instead of a throaty sound.
Flowmaster Mufflers 842451 Editorial Review
The Flowmaster 842451 50 Delta Muffler 409S has received generally positive reviews from customers who have used it. One customer specifically noted that the muffler is built well and is genuine. The muffler reportedly produces a deep, throaty sound that is not too obnoxious or loud. Customers are also pleased with the ease of installation and the inclusion of decals in the box. One customer who has not yet installed the muffler stated that they are looking forward to using it and will update their review once it is installed. Overall, customers are satisfied with their purchase and recommend the muffler to others.
Customer Reviews & Ratings
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Pros
- Deep, throaty sound that is not too loud or obnoxious
- Easy to install
- Included decals in the box
- Built well and genuine according to one customer
- Moderate sound
Cons
- One customer notes that the muffler may not produce enough sound for their taste.
Platform Trust & Buyer Confidence
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“The delivery was fast and the product came undamaged and authentic.”
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“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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BND 354
Order now and get it around Sunday, September 20
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Same performance and exterior tone as the two chamber but with less interior resonance
- Constructed with durable 16 gauge 409S stainless steel
- Mild to moderate exterior exhaust tone
- Improved horsepower or torque, potential mileage improvement
- Race-proven patented Delta Flow technology
- Universal Fit
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