Custom Pro Guard 7 Air Filter for Stage 1 and 17-Present Shirt 3L Power Stroke engines

3L Power Stroke engines

CP4 high pressure pumps are the Achilles heel of the LML Duramax engine because of high failure rates

If your engine configuration is exceeding factory RPM limits a Performance Series head with higher valve spring rates is required

100% Drop in Ready

Custom Pro Guard 7 Air Filter for Stage 1 and 17-Present Shirt 3L Power Stroke enginesNo Limit 5. 5 x 12 inch and 5. 5 x 9 inch air filters for replacement in our Cold Air Intakes. Available in Dry, Oiled, and Pro Guard 7 filter media. We also offer custom pre filters are also available in multiple colors. (Sold Separately) Details: No Limit Custom Air Filter Oiled PG7 For No Limit Cold Air Intake Replacement Conical 5. 5 x 9 Inch Pro Guard 7 Oiled Filter Element Made In The USA Sold Individually SKU: CAFP1 Note: This is an open