--- product_id: 1886100 title: "Flowmaster 40 Series Chambered Muffler – 3.00\" Center In / 2.50\" Dual Out" brand: "flowmaster" price: "€ 289.50" currency: EUR in_stock: true category: "Flowmaster" url: https://www.desertcart.pt/products/1886100-flowmaster-40-series-chambered-muffler-3-00-center-in-2 store_origin: PT region: Portugal --- # 3.00" center inlet / 2.50" dual outlet precision fit 16-gauge aluminized steel for durability Boosts horsepower & torque with reduced back pressure Flowmaster 40 Series Chambered Muffler – 3.00" Center In / 2.50" Dual Out **Brand:** flowmaster **Price:** € 289.50 **Availability:** ✅ In Stock ## Summary > 🔥 Own the street with the sound that turns heads and drops jaws! ## Quick Answers - **What is this?** Flowmaster 40 Series Chambered Muffler – 3.00" Center In / 2.50" Dual Out by flowmaster - **How much does it cost?** € 289.50 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/1886100-flowmaster-40-series-chambered-muffler-3-00-center-in-2) ## 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 - • **Power & Response Boost:** Optimizes airflow to elevate horsepower, torque, and throttle response—feel the difference instantly. - • **Iconic Aggressive Sound:** Unleash the legendary Flowmaster bark that commands attention on every street and track. - • **Durability Meets Performance:** 16-gauge aluminized steel and MIG welding ensure long-lasting, heat-resistant reliability. - • **Precision Dual-Chamber Design:** Engineered for that bold, unmistakable tone muscle car enthusiasts crave. - • **Universal Fitment Flexibility:** Customizable inlet/outlet sizes and configurations for seamless installation on your ride. ## Overview The Flowmaster 40 Series Chambered Muffler delivers the iconic aggressive exhaust tone muscle car lovers demand, built with durable 16-gauge aluminized steel and a proven two-chamber design. Its universal fitment and precision dual outlets optimize airflow, boosting horsepower and torque while ensuring a long-lasting, high-performance upgrade for trucks, street rods, and SUVs. ## Description Buy Flowmaster 40 Series Chambered Muffler – 3.00" Center In / 2.50" Dual Out | Original 40 Series, aggressive sound, 16-gauge aluminized steel, for muscle cars, street rods, trucks, and SUVs (430402): Mufflers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - LEGENDARY SOUND: This is the original Flowmaster muffler that enthusiasts know and love! Famous for its bold, aggressive bark and signature tone. It delivers the unmistakable attitude and street presence that made Flowmaster a legend. - TWO-CHAMBERED INTERNAL DESIGN: Flowmaster’s classic two-chambered layout delivers that bold, aggressive exhaust sound Flowmaster is known for. Perfect for muscle cars, street rods, trucks, off-road rigs, and custom builds. - PROVEN PERFORMANCE: Enhances airflow and reduces back pressure to help boost horsepower, torque, and throttle response. - BUILT TO LAST: Made from 16-gauge aluminized steel and fully MIG-welded to withstand high heat and vibration with no internal packing to blow out or wear down. - UNIVERSAL FITMENT: Designed for custom and modified exhaust systems, with multiple inlet/outlet sizes and configurations (center/offset, dual) for simplified installation and optimal fit. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000182DO2 | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #28,060 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Performance Exhaust Mufflers #361 in Automotive Emission & Exhaust Products | | Brand | Flowmaster | | Brand Name | Flowmaster | | Compatible with Vehicle Type | Car | | Configuration | Center/Dual | | Customer Reviews | 4.8 out of 5 stars 519 Reviews | | Global Trade Identification Number | 00700042010448, 00700042029464 | | Included Components | Flowmaster 430402 40 Series Muffler - 3.00 Center IN / 2.50 Dual OUT - Aggressive Sound | | Item Dimensions | 20 x 10 x 5 inches | | Item Highlight | Original 40 Series, aggressive sound, 16-gauge aluminized steel, for muscle cars, street rods, trucks, and SUVs (430402) | | Item Type Name | Flowmaster 430402 40 Series Muffler - 3.00 Center IN / 2.50 Dual OUT - Aggressive Sound | | Item Weight | 10.1 pounds | | Item dimensions L x W x H | 20 x 10 x 5 inches | | Manufacturer | Flowmaster | | Manufacturer Part Number | 430402 | | Manufacturer Warranty Description | Check with the manufacturer | | Material | Alloy Steel | | Material Type | Alloy Steel | | Model Number | 430402 | | Number of Items | 1 | | OEM Equivalent Part Number | 430402 | | Part Interchange Info | 430402 | | Shape | Oval | | UPC | 700042010448 700042029464 | | Unit Count | 1 Count | | Vehicle Service Type | Car | ## Product Details - **Brand:** Flowmaster - **Item Weight:** 10.1 pounds - **Item dimensions L x W x H:** 20 x 10 x 5 inches - **Material:** Alloy Steel - **Vehicle Service Type:** Car ## Images ![Flowmaster 40 Series Chambered Muffler – 3.00" Center In / 2.50" Dual Out - Image 1](https://m.media-amazon.com/images/I/61fz3c5fOgL.jpg) ![Flowmaster 40 Series Chambered Muffler – 3.00" Center In / 2.50" Dual Out - Image 2](https://m.media-amazon.com/images/I/71ATcIJtb1L.jpg) ![Flowmaster 40 Series Chambered Muffler – 3.00" Center In / 2.50" Dual Out - Image 3](https://m.media-amazon.com/images/I/81pYkU-3WUL.jpg) ![Flowmaster 40 Series Chambered Muffler – 3.00" Center In / 2.50" Dual Out - Image 4](https://m.media-amazon.com/images/I/81jBSKJtzRL.jpg) ![Flowmaster 40 Series Chambered Muffler – 3.00" Center In / 2.50" Dual Out - Image 5](https://m.media-amazon.com/images/I/81gHF3UO0zL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - Flowmaster 430402 40 Series Chambered Muffler - scottchen PRO Exhaust Clamp With Hanger fit 3" Exhaust Pipe, Exhaust System Hanger Exhaust Hanger - EVIL ENERGY 3.0 Inch Exhaust Clamp,Butt Joint Band Clamp Sleeve Coupler Stainless Steel for Pipes,Mufflers,Catalytic Converters --- ## 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.pt/products/1886100-flowmaster-40-series-chambered-muffler-3-00-center-in-2](https://www.desertcart.pt/products/1886100-flowmaster-40-series-chambered-muffler-3-00-center-in-2) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-29*