WSM Adapter with Oil Injection - Silver - 44 mm 006-661-01 Precision Pre-Oiled Air Filter 12-point zinc plated bolts Come

12-point zinc plated bolts Come with 3-inch cores encased in proprietary Cobra sound tuning materials with specific acoustical dampening and thermal insulation properties The basso profondo notes are made possible because of class-leading resonance absorption and prevention The frequency and location of the perforation patterns in the high-flo cores creates significant sound scattering in the mid frequencies

Asymmetrical muffler design allows for increased packing volume

which helps to enhance the low frequency tones Like all Cobra exhausts

Has a greater depth than OEM design

WSM Adapter with Oil Injection - Silver - 44 mm 006-661-01 Precision Pre-Oiled Air Filter 12-point zinc plated bolts ComeWork well with clamp on filters from Prok and Blowsion (w 2 3 4" i. d. flange) Required for upgrade to aftermarket flame arrestor Mounting bolts included