--- product_id: 431857352 title: "Flowmaster 425404 40 Series Exhaust Muffler, 1 Pack" brand: "flowmaster" price: "฿77816" currency: THB in_stock: false reviews_count: 5 category: "Flowmaster" url: https://www.desertcart.co.th/products/431857352-flowmaster-425404-40-series-exhaust-muffler-1-pack store_origin: TH region: Thailand --- # Optimized for street, strip & off-road Aggressive exterior exhaust tone 16-gauge aluminized steel durability Flowmaster 425404 40 Series Exhaust Muffler, 1 Pack **Brand:** flowmaster **Price:** ฿77816 **Availability:** ❌ Out of Stock ## Summary > 🔥 Unleash the roar, own the road! 🔥 ## Quick Answers - **What is this?** Flowmaster 425404 40 Series Exhaust Muffler, 1 Pack by flowmaster - **How much does it cost?** ฿77816 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/431857352-flowmaster-425404-40-series-exhaust-muffler-1-pack) ## Best For - flowmaster enthusiasts ## Why This Product - Trusted flowmaster brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Fully welded 16-gauge aluminized steel ensures unmatched durability and corrosion resistance for the long haul. - • **Trusted Quality:** Backed by Flowmaster’s 3-year limited warranty and a stellar 4.7-star rating from over 100 enthusiasts. - • **Command Attention:** Delivers a deep, aggressive exhaust tone that turns heads and signals power wherever you drive. - • **Interior Resonance:** Noticeable interior rumble that enhances your driving experience without overwhelming comfort. - • **Versatile Performance:** Perfectly engineered for street, strip, and off-road applications—your all-terrain sound upgrade. ## Overview The Flowmaster 425404 40 Series Exhaust Muffler is a robust, oval-shaped muffler crafted from durable 16-gauge aluminized alloy steel. Designed to deliver an aggressive exterior exhaust tone with a satisfying interior resonance, it’s ideal for street, strip, and off-road vehicles. Weighing 4.65 kg and backed by a 3-year limited warranty, this muffler combines performance, durability, and style to elevate your ride’s presence and sound. ## Description Flowmaster Mufflers 425404 40 Ser Mfflr,2.50 In (D)/Out (D) Review: Nice deep rumble Review: Great sound a more oower. I love it. ## Features - Durable fully welded 16 gauge aluminized steel - Aggressive sound exterior exhaust tone - Noticeable interior resonance - Excellent Street/Strip and Off Road application ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01IDDG3V0 | | Brand | Flowmaster | | Brand Name | Flowmaster | | Customer Reviews | 4.7 out of 5 stars 113 Reviews | | Global Trade Identification Number | 00700042026029 | | Item Dimensions | 52.1 x 25.4 x 11.4 Centimeters | | Item Shape | Oval | | Item Type Name | Exhaust Muffler | | Item Weight | 4.65 kg | | Item dimensions L x W x H | 52.1 x 25.4 x 11.4 Centimeters | | Manufacturer | Flowmaster | | Manufacturer Part Number | 425404 | | Manufacturer Warranty Description | 3 Year Limited Warranty | | Material | Alloy Steel | | Material Type | Alloy Steel | | Model | 425404 | | OEM Equivalent Part Number | 425404 | | Shape | Oval | | UPC | 700042026029 | | What Is In the Box | Muffler | ## Product Details - **Brand:** Flowmaster - **Item Weight:** 10.25 Pounds - **Item dimensions L x W x H:** 20.5 x 10 x 4.5 inches - **Material:** Alloy Steel - **Vehicle Service Type:** Car ## Images ![Flowmaster 425404 40 Series Exhaust Muffler, 1 Pack - Image 1](https://m.media-amazon.com/images/I/71PeQy5X1iL.jpg) ![Flowmaster 425404 40 Series Exhaust Muffler, 1 Pack - Image 2](https://m.media-amazon.com/images/I/71W8SizHYwL.jpg) ![Flowmaster 425404 40 Series Exhaust Muffler, 1 Pack - Image 3](https://m.media-amazon.com/images/I/81in03ZdSxL.jpg) ![Flowmaster 425404 40 Series Exhaust Muffler, 1 Pack - Image 4](https://m.media-amazon.com/images/I/81jBSKJtzRL.jpg) ![Flowmaster 425404 40 Series Exhaust Muffler, 1 Pack - Image 5](https://m.media-amazon.com/images/I/81gHF3UO0zL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice deep rumble *by A***M on 29 October 2020* ### ⭐⭐⭐⭐⭐ Great sound a more oower. I love it. *by C***N on 26 November 2025* ### ⭐⭐⭐⭐⭐ Good volume *by J***S on 17 October 2025* ## Frequently Bought Together - Flowmaster 425404 40 Series Chambered Muffler - EVIL ENERGY 2.5 Inch Exhaust Clamp,2 1/2" Butt Joint Band Clamp Sleeve Coupler Stainless Steel for Pipes,Mufflers,Catalytic Converters 1PCS - EVIL ENERGY 2.5'' Exhaust Clamp,Lap Joint Band Clamp Stainless Steel for Pipes,Mufflers,Catalytic Converters (1, 2.5 inch) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/431857352-flowmaster-425404-40-series-exhaust-muffler-1-pack](https://www.desertcart.co.th/products/431857352-flowmaster-425404-40-series-exhaust-muffler-1-pack) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-25*