The DC Sports Universal Round Performance Muffler with a 3 inch inlet and 4 inch outlet is built for one thing: flow. This DC Sports round muffler uses a straight-through, race-inspired internal core that lets exhaust move fast and clean, instead of fighting its way through chambers and baffles like a stock can. On a healthy setup, this DC Sports 3 inch muffler helps free up power and sharpen throttle response compared to most restrictive OEM mufflers.
We use T-304 stainless steel with a high-gloss polished exterior so it holds up to heat, weather, and daily abuse without turning into a rusty mess. The polished T-304 muffler DC Sports uses here doesn’t just look good; it shrugs off corrosion for the long haul. Instead of the muted, plugged-up tone most factory systems chase, this race inspired exhaust muffler keeps exhaust velocity up and gives you a deeper, harder-hitting note when you lean into the throttle.
With its 3 inch inlet and 4 inch outlet, this DC Sports universal performance muffler drops into high-flow exhaust setups, custom fab work, and boosted builds that actually need the airflow. As a round muffler 3 inch inlet design with a 4 inch outlet exhaust muffler, it pairs well with turbo cars, larger displacement engines, and aggressive street or track-style systems where you care more about flow and sound than staying whisper-quiet.
Versus a typical stock muffler, this performance muffler 3 inch setup gives you a much stronger, more aggressive sounding muffler DC Sports tone without stuffing a big restriction in the middle of your exhaust. Volume and character will change with your header, piping diameter, resonators, and cat setup, but expect this DC Sports 4 inch outlet muffler to be louder, sharper, and more pronounced under load and at higher RPM. If you still want “quiet,” this probably isn’t the one.
We’ve been around the sport compact and performance exhaust world for decades, and we run these same parts on our own cars. If you’re piecing together a custom system and want a universal 3 inch muffler that actually flows, sounds aggressive, and takes abuse, this DC Sports performance muffler (SKU: DCMU-3004-R) gets it done. It’s a straightforward universal fit DC Sports muffler with the right size, materials, and tone for real performance builds.
- Universal round performance muffler for custom and high-flow builds
- Straight-through internal core for minimal restriction and strong exhaust flow
- T-304 stainless steel construction for strength and corrosion resistance
- High-gloss polished finish for a clean, motorsport-style look
- Inlet: 3 inches (76 mm) – ideal for a 3 inch inlet performance muffler setup
- Outlet: 4 inches (101 mm) – aggressive 4 inch outlet exhaust muffler appearance
- Body length: 12 inches (304 mm)
- Total length: 17 inches (431 mm)
- Body width: 6 inches (152 mm)
- Designed and manufactured by DC Sports
Vehicle Fitment
- Universal