SLP Performance Parts engines and components, suspension parts (excluding "take-off" parts), transmissions/drivelines, and accessories (shifter knobs, wheel lugs or center caps, car covers, emblems, etc.) are warranted against defects in materials and/or workmanship for 90 days. Headers, exhaust products, and cold air intake systems carry a limited lifetime warranty. Electrical products carry a 30-day warranty. Composite body parts carry a 1-year warranty. Headers, exhaust components, cold air inductions, and air boxes are warranted for life against rust, corrosion, failed welds, cracks, and similar defects under normal use. The appearance of coatings or finishes is warranted for 3 years. Damages from collision, alteration, misuse, or improper installation are not covered. Filters are not covered.