Description
Overview
The Flowmaster 40 Series Delta Flow Exhaust Muffler brings proven performance and an aggressive attitude to your build. Engineered with Flowmaster’s two-chamber Delta Flow® technology, this muffler uses precision-positioned Delta deflectors to generate increased scavenging for stronger performance while keeping interior sound in check. If you’re ready to shop for exhaust that balances muscle and manners, this 40 Series muffler delivers a milder exterior tone and reduced interior resonance compared to the standard 40 Series.
Performance & Sound
Tuned for an aggressive sound level, this Flowmaster muffler produces the deep, purposeful voice enthusiasts expect from a performance exhaust without the drone that can make daily driving tiring. The Delta Flow chambered design promotes airflow and scavenging that helps your engine breathe, making it a smart centerpiece for any car exhaust or full exhaust system upgrade. Whether you’re piecing together a catback exhaust or refreshing tired mufflers, the 40 Series Delta Flow lays down a bold note backed by real engineering.
Built to Last
Durability is built into every seam. Constructed of 16-gauge aluminized steel and fully MIG welded, this Flowmaster exhaust muffler is finished with high-temperature paint to stand up to the heat and demands of an exhaust automobile environment. It’s designed for the long haul, resisting the abuse that comes with sustained under-car service.
- Two-chamber design with Flowmaster Delta Flow® technology for increased scavenging and better performance
- Milder exterior tone and reduced interior resonance versus the standard 40 Series
- 16-gauge aluminized steel construction, fully MIG welded for maximum durability
- High-temperature paint finish for lasting protection
- 3.00″ inlet diameter with dual outlet location
- Universal fitment for 4/6 cylinder engine applications
Fitment & What to Know
This is a universal-fit muffler intended for 4/6 cylinder engine vehicles, giving fabricators and DIY builders the flexibility to integrate it into a custom cat back exhaust system or a targeted muffler swap. It features a 3.00-inch inlet diameter and a dual outlet location. Please note the mounting hardware uses new hangers, which are not included, and exhaust tips are sold separately, so you can dial in the exact configuration your project calls for. Emission code 5 applies. From a simple muffler replacement to a complete magnaflow-style performance exhaust build, the Flowmaster 40 Series Delta Flow muffler is a dependable, aggressive-sounding foundation.
Choose this 40 Series Delta Flow muffler when you want a proven combination of flow, tone, and toughness in your next exhaust system upgrade.
