Athena Aprilia SR 125 Variator Rollers Kit (19x17 gr.15.5) - Set of 6 1987-chevrolet-caprice-classic-ls-brougham-esi6041411 5") system has dual tips

5") system has dual tips on each muffler assembly and will fit vehicles with Dual Mode Exhaust (NPP) valves but it does NOT include NPP valves

Single Path

TL3-XTSS kit features an Xtreme pressure plate for the most demanding driver

The muffler then enhance this sound to the character and volume appropriate for the classic S-Type sound level that this system delivers

This muffler is tuned for the Chevrolet Big Block 396/ 402/ 427 CID V8 engine family

Athena Aprilia SR 125 Variator Rollers Kit (19x17 gr.15.5) - Set of 6 1987-chevrolet-caprice-classic-ls-brougham-esi6041411 5") system has dual tipsAthena currently offers a complete, updated range of variators for scooter and maxiscooter. Athena variators optimize and guarantee an increase in speed and acceleration with reduced loss of power and torque, thanks to a careful selection of materials and a special design of the rollers side rails.