01-10 Chevrolet/GMC LB7 LLY LBZ LMM Duramax Mega Filter Retrofit Kit Kingsport Grey HSP Diesel S&M We recommend using the 5-foot

We recommend using the 5-foot length Unimatic shift cable for most Ford and GM applications

Features vary by application

you also have the added benefits of lower under hood temperatures which correlates to increased radiator performance

New zinc-plated Allen head mounting hardware is supplied

01-10 Chevrolet/GMC LB7 LLY LBZ LMM Duramax Mega Filter Retrofit Kit Kingsport Grey HSP Diesel S&M We recommend using the 5-footUpgrade your existing HSP 4. 5 inch intake with the HSP Mega Filter Retrofit Kit. This kit converts earlier PRIOR TO 3 12 2026 HSP intake systems to the latest square Mega Filter and aluminum heatshield box design, delivering improved airflow, increased filtration area, and easier serviceability. Why You Need the HSP Mega Filter Retrofit Kit The new square HSP Mega Filter flows approximately 10 percent more air than the previous round filter design