---
product_id: 329953496
title: "42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound, Black"
brand: "flowmaster"
price: "B/.581"
currency: PAB
in_stock: true
reviews_count: 6
category: "Flowmaster"
url: https://www.desertcart.com.pa/products/329953496-42541-40-series-muffler-2-50-offset-in-2-50
store_origin: PA
region: Panama
---

# Aggressive exterior & interior sound profile Fully MIG welded for max strength 16-gauge aluminized steel - rugged durability 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound, Black

**Brand:** flowmaster
**Price:** B/.581
**Availability:** ✅ In Stock

## Summary

> 🔥 Turn heads and own the road with the legendary Flowmaster roar!

## Quick Answers

- **What is this?** 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound, Black by flowmaster
- **How much does it cost?** B/.581 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/329953496-42541-40-series-muffler-2-50-offset-in-2-50)

## 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

- • **Precision Welding:** Fully MIG welded construction ensures maximum strength and reliability under all conditions.
- • **Proven Excellence:** Top-rated with a 4.7-star average and trusted by enthusiasts for GM 5.3 engines and beyond.
- • **Unmatched Durability:** Crafted from heavy-duty 16-gauge aluminized steel for long-lasting performance.
- • **Versatile Performance:** Perfectly engineered for street, strip, and off-road applications—be ready for any drive.
- • **Signature Flowmaster Roar:** Delivers that iconic aggressive exterior and interior exhaust tone that commands attention.

## Overview

The Flowmaster 42541 40 Series Muffler combines rugged 16-gauge aluminized steel construction with fully MIG welded seams to deliver exceptional durability. Engineered to produce an aggressive exterior and interior exhaust tone, it’s ideal for street, strip, and off-road use. Highly rated and a top choice for performance enthusiasts seeking that classic Flowmaster sound.

## Description

The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Review: Great quality - All as explained and expected. Amazing mufflers.
Review: Sounds great like all the other Flow Master exhausts I’ve had installed! Highly recommend for a GM 5.3 engine.

## Features

- Durable, fully welded 16-gauge aluminized steel
- Aggressive sound exterior exhaust tone
- Noticeable interior resonance
- Excellent street/strip and fff foad application

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000182DMO |
| Best Sellers Rank | #18,111 in Automotive ( See Top 100 in Automotive ) #3 in Car Rear Mufflers |
| Brand | Flowmaster |
| Customer Reviews | 4.7 4.7 out of 5 stars (379) |
| Date First Available | 16 August 2012 |
| Exterior | Painted |
| Item Weight | 4.54 Kilograms |
| Item model number | 42541 |
| Manufacturer | Flowmaster |
| Manufacturer Part Number | 42541 |
| Model | 42541 |
| OEM Part Number | 42541 |
| Product Dimensions | 50.04 x 25.91 x 11.43 cm; 4.54 kg |

## Product Details

- **Brand:** Flowmaster
- **Item dimensions L x W x H:** 50 x 25.9 x 11.4 centimeters
- **Item weight:** 4.54 kg
- **Material:** Alloy Steel
- **Vehicle service type:** Car

## Images

![42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound, Black - Image 1](https://m.media-amazon.com/images/I/71u5C80+TOL.jpg)

## 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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality
*by R***. on 24 December 2019*

All as explained and expected. Amazing mufflers.

### ⭐⭐⭐⭐⭐ Review
*by T***N on 13 November 2025*

Sounds great like all the other Flow Master exhausts I’ve had installed! Highly recommend for a GM 5.3 engine.

### ⭐⭐⭐⭐⭐ Review
*by F***I on 23 October 2025*

A+ A+ A+

## 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

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**Shop now:** [https://www.desertcart.com.pa/products/329953496-42541-40-series-muffler-2-50-offset-in-2-50](https://www.desertcart.com.pa/products/329953496-42541-40-series-muffler-2-50-offset-in-2-50)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-03-12*