3.5" I.D Inlet/Outlet 18" Body Resonator Mild Steel Fibreglassed Packed (Black) TSP7443X MARINE USE: No

MARINE USE: No

866 in Dim

Engine Size - 307-400

Power Steering Bracket Style: Lower

WATER NECK STYLE 15°

3.5" I.D Inlet/Outlet 18" Body Resonator Mild Steel Fibreglassed Packed (Black) TSP7443X MARINE USE: NoM&H resonator 3. 5" x 18" fibreglassed packed exhaust silencer 4db lower spiral louvre core mild steel black finish 18" body , 23. 5" total length 4" diameter Fibreglassed packed Spiral louvre core 4db lower The main distinction is that a muffler is designed to muffle the overall volume across all RPMs, whereas a resonator is designed to eliminate unwanted resonance or noise at a particular RPM, also known as exhaust drone. This is why you see some