A K&N Air Filter Can Seriously Increase Fiat 124 Spider Efficiency and Airflow

Let K&N reduce turbo lag and increase the fun in your Fiat 124 Spider

Let K&N reduce turbo lag and increase the fun in your Fiat 124 Spider

Although it's based on the current Mazda Miata, the new Fiat 124 Spider differs in several ways. First off, it looks more sophisticated, with an upright grille and a better looking rear end treatment. It's got more luxurious upholstery, more soft touch-points, and to cut down on road noise inside the cabin, more sound deadening material and a thicker acoustic windshield were added. But the biggest difference lies under the hood, where a turbocharged 1.4L replaces the MX-5's naturally aspirated 4-cyl engines. The Fiat 1.4L MultiAir engine uses a unique variable valve timing system to precisely control the flow of intake air being forced in by the turbo. In the 2016-2017 Fiat 124 Spider, the turbo delivers 22 psi of boost, which allows this high-revving little 4-pot to make 160-hp at 5500 RPM, and 184 lb-ft of torque at 2500 RPM. Needless to say, this sexy little roadster can run out of breath before it reaches the 6500-RPM redline. Fortunately, the K&N 33-5040 replacement air filter can significantly increase airflow to the turbo, so your Italian droptop can perform as good as it looks.

The K&N 33-5040 replacement air filter significantly increases airflow and throttle response

The K&N 33-5040 replacement air filter significantly increases airflow and throttle response

As you probably remember from school, oxygen fuels fire. Fiat's MultiAir system is designed to optimize the amount of air being injected into the cylinders, so more power can be produced by creating a hotter detonation. However, the Spider's 184 lb-ft of torque (the force that gets you rolling) isn't available until the turbo gets spooled up at 2500 RPM. So that trick valve control system isn't going to much good unless you constantly keep the revs up. Part of the problem has to do with the air intake system, which is choked by the restrictive OE Fiat 124 Spider air filter. This surface-loading filter is made from a thick paper, and it stores all of the dirt that it removes between the folded pleats. Not only is paper difficult for air to flow through (it's like trying to breath through a sheet of printer paper), but the dirt will strangle the airflow, reducing both power and fuel economy. Over time, dirt can also get sucked around the clogged filter, damaging key components like the rings and cylinder walls.

Unlike your OE air filter, the K&N 33-5040 replacement air filter is made from multiple layers of pleated cotton gauze, sandwiched between bonded aluminum wire mesh (this is like breathing through a t-shirt). This low-restriction filter media is then treated with a special oil blend that turns the crisscrossed cotton fibers into a sticky web, which can ensnare dirt particles and keep them in place. That red oil then soaks into the dirt, bonding it to the filter and turning it into a sticky filtration element that can stop other contaminants. This depth-loading design can stop up to 98% of airborne contaminants. It also increases engine airflow by up to 50%, which will allow your turbo to spool up faster and deliver more torque at lower RPMs. The additional air is also designed to increase horsepower production as the revs climb.

The hood bulges and headlight shape harken back to the 1966-1978 Fiat 124 Spider

The hood bulges and headlight shape harken back to the 1966-1978 Fiat 124 Spider

Besides drastically improving the performance of your 2016-2017 Fiat 124 Spider, you'll be saving money too. You see, the K&N 33-5040 replacement air filter is reusable, so you won't have buy a $10-$25 OE air filter every 12,000 miles. Simply clean it every 50,000 miles (depending on driving conditions) with the 99-5000 cleaning and oiling kit. It's also backed by the K&N 10-Year/Million Mile Limited Warranty, it's street legal in all 50-states, it won't void your Fiat warranty, and since it's a direct replacement for your stock air filter, no modifications are required to install it.

Visit Fiat 124 Spider Air Filters for a full list of K&N performance filters for the Fiat 124 Spider.

The K&N Replacement Air Filter 33-5040 fits the following vehicles:

2017 MAZDA ROADSTER 2.0L L4 Fuel Injection - All Models
2017 MAZDA ROADSTER 1.5L L4 Fuel Injection - All Models
2017 MAZDA MX-5 IV 2.0L L4 Fuel Injection - All Models
2017 MAZDA MX-5 IV 1.5L L4 Fuel Injection - All Models
2017 MAZDA MX-5 2.0L L4 Fuel Injection - All Models
2017 FIAT 124 SPIDER 1.4L L4 Fuel Injection - All Models
2017 ABARTH 124 SPIDER 1.4L L4 Fuel Injection - All Models
2016 MAZDA ROADSTER 2.0L L4 Fuel Injection - All Models
2016 MAZDA ROADSTER 1.5L L4 Fuel Injection - All Models
2016 MAZDA MX-5 MIATA 2.0L L4 Fuel Injection - All Models
2016 MAZDA MX-5 IV 2.0L L4 Fuel Injection - All Models
2016 MAZDA MX-5 IV 1.5L L4 Fuel Injection - All Models
2016 FIAT 124 SPIDER 1.4L L4 Fuel Injection - All Models
2016 ABARTH 124 SPIDER 1.4L L4 Fuel Injection - All Models
2015 MAZDA ROADSTER 2.0L L4 Fuel Injection - All Models
2015 MAZDA ROADSTER 1.5L L4 Fuel Injection - All Models
2015 MAZDA MX-5 IV 2.0L L4 Fuel Injection - All Models
2015 MAZDA MX-5 IV 1.5L L4 Fuel Injection - All Models

The cotton gauze filter media in the K&N 33-5040 replacement air filter offers superior filtrati

The cotton gauze filter media in the K&N 33-5040 replacement air filter offers superior filtration


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