The SpeedFX 3020 is a round, red glasspack muffler for 3" exhaust systems, built from heavy-gauge mild steel with a louvered straight-through core. With a 4" diameter, 18" body and 24" overall length, it’s an easy way to add a deep, aggressive hot-rod tone on street or strip builds while keeping a simple, reversible center/center layout.
Brand: SpeedFX
Part Number: 3020
Product Type: Round glasspack performance muffler
Inlet Size: 3" center inlet
Outlet Size: 3" center outlet
Configuration: Center / center, reversible straight-through design
Case Shape: Round glasspack
Case Diameter: 4"
Case Length: 18"
Overall Length: 24"
Material: Heavy-gauge mild steel, single-wall construction
Finish/Color: High-temperature warm red painted case
Internal Construction: Louvered, straight-through glasspack core for maximum flow and aggressive sound
Sound: Deep, rich, aggressive tone – noticeably louder and more performance-oriented than stock
Application: Universal – 3" exhaust systems on cars, trucks, hot rods, and street/strip builds
