Add the classic aggressive Flowmaster sound while transitioning from a single exhaust inlet to dual outlets with the Flowmaster 430402 Original 40 Series chambered muffler. This universal performance muffler features one 3-inch center inlet and two 2.5-inch outlets, making it an excellent choice for custom dual-exit exhaust systems.
The Original 40 Series delivers a powerful exterior exhaust note with noticeable interior resonance. Its compact oval body is suitable for classic and late-model muscle cars, street rods, trucks, SUVs, street/strip vehicles, and off-road builds.
Constructed from durable 16-gauge aluminized steel, the muffler is fully MIG welded and finished with black high-temperature paint for lasting performance.
Features:
Classic, aggressive Flowmaster exhaust tone
Noticeable interior resonance
Single 3-inch center inlet
Dual 2.5-inch outlets
Chambered performance design
Fully MIG-welded construction
Durable 16-gauge aluminized steel
Black high-temperature painted finish
Excellent for street, strip, and off-road applications
Universal performance fitment
Specifications:
Brand: Flowmaster
Part Number: 430402
Series: Original 40 Series
Product Type: Chambered Exhaust Muffler
Inlet Diameter: 3 inches
Inlet Location: Center
Inlet Quantity: One
Outlet Diameter: 2.5 inches
Outlet Quantity: Two
Outlet Type: Dual
Body Dimensions: 13 x 9.5 x 4 inches
Overall Length: 19 inches
Body Shape: Oval
Material: 16-Gauge Aluminized Steel
Finish: Black High-Temperature Paint
Sound Level: Aggressive
Fitment: Universal
Reversible: No
Clamps Included: No
Hangers Included: No
UPC: 700042010448
Fitment Note: This is a universal muffler and may require welding, fabrication, or new exhaust hangers. Verify all dimensions and the single-inlet/dual-outlet configuration before ordering.