--- product_id: 1324759 title: "Flowmaster 40 Series Chambered Muffler – 2.50\" Offset In / 2.50\" Center Out" brand: "flowmaster" price: "€ 195.60" currency: EUR in_stock: true category: "Flowmaster" url: https://www.desertcart.ie/products/1324759-flowmaster-40-series-chambered-muffler-2-50-offset-in-2 store_origin: IE region: Ireland --- # Boosts horsepower & throttle response Two-chambered design for signature aggressive sound 16-gauge aluminized steel for durability Flowmaster 40 Series Chambered Muffler – 2.50" Offset In / 2.50" Center Out **Brand:** flowmaster **Price:** € 195.60 **Availability:** ✅ In Stock ## Summary > 🔥 Own the street with the legendary roar of Flowmaster 40 Series! ## Quick Answers - **What is this?** Flowmaster 40 Series Chambered Muffler – 2.50" Offset In / 2.50" Center Out by flowmaster - **How much does it cost?** € 195.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/1324759-flowmaster-40-series-chambered-muffler-2-50-offset-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 - • **Built to Endure:** Crafted from heavy-duty 16-gauge aluminized steel with MIG welds to withstand heat, vibration, and time without losing performance. - • **Street Cred Approved:** Join thousands of enthusiasts who trust the #2 ranked Flowmaster muffler for unmatched sound and performance. - • **Unmistakable Bold Bark:** Legendary two-chambered design delivers that iconic Flowmaster roar that commands attention on every street. - • **Performance-Driven Flow:** Engineered to reduce back pressure, enhancing horsepower, torque, and throttle response for that extra edge on the road. - • **Universal Fit, Custom Ready:** Versatile inlet/outlet configurations (2.50" offset in / 2.50" center out) make installation seamless on muscle cars, trucks, and custom builds. ## Overview The Flowmaster 40 Series Chambered Muffler (2.50" Offset In / 2.50" Center Out) is a universal-fit, heavy-duty exhaust upgrade featuring a classic two-chambered design that delivers aggressive, signature sound. Made from durable 16-gauge aluminized steel with MIG welds, it enhances horsepower, torque, and throttle response while providing a bold street presence for muscle cars, trucks, and custom vehicles. ## Description Buy Flowmaster 40 Series Chambered Muffler – 2.50" Offset In / 2.50" Center Out | Original 40 Series, aggressive sound, 16-gauge aluminized steel, for muscle cars, street rods, trucks, and SUVs (42541): 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 | B000182DMO | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #13,984 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Performance Exhaust Mufflers #127 in Automotive Emission & Exhaust Products | | Brand | Flowmaster | | Brand Name | Flowmaster | | Compatible with Vehicle Type | Car | | Configuration | Center/Offset | | Customer Reviews | 4.7 out of 5 stars 429 Reviews | | Global Trade Identification Number | 00700042010332, 00700042029426 | | Included Components | Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound | | Item Dimensions | 22 x 10 x 5 inches | | Item Highlight | Original 40 Series, aggressive sound, 16-gauge aluminized steel, for muscle cars, street rods, trucks, and SUVs (42541) | | Item Type Name | Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound | | Item Weight | 9.5 pounds | | Item dimensions L x W x H | 22 x 10 x 5 inches | | Manufacturer | Flowmaster | | Manufacturer Part Number | 42541 | | Manufacturer Warranty Description | Check with the manufacturer | | Material | Alloy Steel | | Material Type | Alloy Steel | | Model Number | 42541 | | Number of Items | 1 | | OEM Equivalent Part Number | 42541 | | Part Interchange Info | 42541 | | Shape | Oval | | UPC | 700042010332 700042029426 | | Unit Count | 1 Count | | Vehicle Service Type | Car | ## Product Details - **Brand:** Flowmaster - **Item Weight:** 9.5 pounds - **Item dimensions L x W x H:** 22 x 10 x 5 inches - **Material:** Alloy Steel - **Vehicle Service Type:** Car ## Images ![Flowmaster 40 Series Chambered Muffler – 2.50" Offset In / 2.50" Center Out - Image 1](https://m.media-amazon.com/images/I/71u5C80+TOL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Will these fit a 2004 ford crown victoria interceptor ?** A: universal mufflers do not directly fit any application . They require measuring , cutting adding pipe etc . Direct fitments are under cat back systems . **Q: Will this fit my 1997 k1500?** A: Yes, the Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound, Black will fit your 1997 K1500. It is a universal muffler, so it can be fitted to any vehicle with a 2.50 inch exhaust system. However, it is important to note that the Flowmaster 40 Series mufflers are known for being loud. If you are looking for a more subdued sound, you may want to consider a different muffler series, such as the 50 or 60 Series. **Q: spec say it wont fit but it has the same demensions and intake and oulet pipe size, will it fit on my 1997 dodge ram 1500** A: If the pipe inlet is 2.5 inches and the pipe outlet is 2.5 inches, it will work. **Q: Is this muffler lound on the inside** A: It dose resonate inside the car quite a bit ## Frequently Bought Together - Flowmaster 42541 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 2PC - Walker 36272 Exhaust System Hanger --- ## 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.ie/products/1324759-flowmaster-40-series-chambered-muffler-2-50-offset-in-2](https://www.desertcart.ie/products/1324759-flowmaster-40-series-chambered-muffler-2-50-offset-in-2) --- *Product available on Desertcart Ireland* *Store origin: IE* *Last updated: 2026-09-23*