aFe Power Stage 2 Si Cold Air Intake for 06-07 Silverado 2500HD LLY 6.6L V8

Large 3-Layer Performance Air Filter: Large 7" tall round filter with a 6" flange opening provides greater airflow over Stock intake system. This "Oil-Free" 3-Layer Progressively Finer Porosity Synthetic Media air filter provides maximum Convenience With...

aFe Power Stage 2 Si Cold Air Intake for 01-04 Silverado 2500HD 6.6L V8

Large 3-Layer Performance Air Filter: Large 7" tall round filter with a 6" flange opening provides greater airflow over Stock intake system. This "Oil-Free" 3-Layer Progressively Finer Porosity Synthetic Media air filter provides maximum Convenience With...

aFe Power Diesel Elite Stage 2 Si Cold Air Intake for 04-05 Silverado 2500HD 6.6

Large 3-Layer Performance Air Filter: Large 7" tall round filter with a 6" flange opening provides greater airflow over Stock intake system. This "Oil-Free" 3-Layer Progressively Finer Porosity Synthetic Media air filter provides maximum Convenience With...

aFe Power Diesel Elite Stage 2 Si Cold Air Intake for 94-02 Dodge 2500 Cummins

Large 3-Layer Performance Air Filter: Large 7" tall round filter with a 6" flange opening provides greater airflow over Stock intake system. This "Oil-Free" 3-Layer Progressively Finer Porosity Synthetic Media air filter provides maximum Convenience With...

aFe Momentum GT PRO 5R Intake for 15-16 Audi A3/S3 1.8L/2.0L

aFe Momentum GT PRO 5R Intake System 15-16 Audi A3/S3 1.8L/2.0L

aFe Momentum GT Pro Dry S Stage-2 Intake for 9-16 Audi A4 (B8) L4-2.0L

This Momentum GT intake system outflows the factory intake by 48%. The one-piece sealed housing includes auxiliary air inlet to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available. A large, clear sight window...

aFe Momentum GT Pro DRY S Intake for 11-13 BMW 335i E90/E87 I6 3.0L (N55)

Want more power out of your N55? The Momentum GT Pro Dry-S Cold Air Intake is the best system for creating power, airflow, and maximizing performance. This system provides a +16% air-flow increase over stock, allowing the car to breathe to its best...

aFe Momentum GT Pro DRY S Cold Air Intake for 16-17 BMW M2 (F87) L6 3.0L (t) N55

The smooth one-piece high quality sealed housing with auxiliary air inlet is used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available. A large, clear sight window is used for a hassle-free filter inspection...

aFe Momentum Pro DRY S Intake for 07-10 BMW 335i/is/xi (E90/E92/E93)

Bringing you the next generation of intakes, the Momentum GT sealed air intake system is designed using the most up-to-date engineering tools and techniques to provide you with the perfect blend of power and protection. This intake system is superior in...

aFe Momentum Pro DRY S Intake for 15-18 BMW M3/M4 (F80/82/83) 3.0L (tt) S55

The smooth one-piece sealed housings with auxiliary air inlets are used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available. Large, clear sight windows are used for a hassle-free filter inspection and an...

aFe Momentum Pro DRY S Intake for 12-15 BMW 528i/ix (F10) L4-2.0L (t) N20

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of...

aFe Momentum PRO 5R Intake for 12-14 BMW M5 V8 4.4L

aFe Momentum PRO 5R Intake 12-14 BMW M5 V8 4.4LNot for sale in CA