MOOSUN 4 inch Cold Air Intake with Heat Shield for GM trucks vs KAX Washable Engine Air Filter RU-1042 (6 in flange) - reusable

Overall winner: KAX Washable Engine Air Filter RU-1042 (6 in flange) - reusable

Key Differences

MOOSUN’s intake (Product A) is a full 4-inch cold air intake with heat shield aimed at GM trucks and emphasizes easy installation and improved engine performance but has fitment and clamp-quality concerns. KAX’s washable RU-1042 filter (Product B) is a reusable engine air filter with a 6-inch flange that users praise for sealing and ease of installation but it requires periodic washing and may need specific fit checks for vehicles

MOOSUN 4 inch Cold Air Intake with Heat Shield for GM trucks

MOOSUN 4 inch Cold Air Intake with Heat Shield for GM trucks

MOOSUN • ★ 4.1/5 • Mid-Range

MOOSUN 4 inch cold air intake with heat shield fits multiple GM trucks. Improves horsepower and torque while delivering a distinct intake sound. Customers note easy installation and good value for money

Pros

  • easy to install
  • improves engine performance
  • attractive intake noise
  • value for money

Cons

  • fit may vary by model
  • clamps quality criticized
  • some notes on 2005 Silverado compatibility
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Head-to-Head

CriteriaWinner
Price MOOSUN
Durability KAX
Versatility MOOSUN
User Reviews KAX