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The Injen SP1970BLK is a cold air intake kit for the 2013-2019 Nissan Sentra with the 1.8L MRA8DE engine. It swaps the factory plastic air box and baffled intake tube for mandrel-bent 6061-T6 aluminum piping and a washable SuperNano-Web dry filter, and it needs no tune. Injen claims up to 5 hp and 5 lb-ft, so the real gains are sharper throttle response and more induction sound rather than big power. It is a straightforward bolt-on for daily drivers, but some owners report check-engine lights and lean running, so it is not the safest pick for a car that must stay trouble-free.
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A few ran into trouble: MAF sensor errors, a check-engine light and lean running, with no local tuner able to help.
This cold air intake replaces the factory air filter and plastic intake tube on 2013-2019 Nissan Sentra models with the naturally aspirated 1.8L (MRA8DE) engine. The tube is mandrel-bent 6061-T6 aluminum. It takes the place of the stock plastic resonators and baffles to streamline the air path.
The kit uses a SuperNano-Web dry air filter that is washable and reusable. It is rated for up to 5 hp and 5 lb-ft of torque gain and needs no tune. The aluminum piping dissipates heat faster than the stock plastic.
It is a bolt-on kit that fits both automatic and manual transmissions. Installation takes under 60 minutes with basic hand tools. Resetting the battery terminal after installation is recommended so the ECU can re-learn the airflow parameters. It is not for the turbocharged Sentra SR Turbo or NISMO.




