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The Injen RD1966P is a cold air intake kit for the 2002-2006 Nissan Sentra SE-R and SE-R Spec V with the 2.5L four-cylinder. Its mandrel-bent 6061-T6 aluminum tube reaches low into the engine bay for cooler, denser air, and it uses a serviceable SuperNano-Web dry filter. Injen claims safe air-fuel ratios across the powerband and an aggressive intake tone, and backs it with a limited lifetime warranty. It is a bolt-on part for owners who want more sound and a modest power gain without a tune; CARB exemption covers 2002-2004 models only, so 2005-2006 cars are not street-legal in emissions states.
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Lowest price we've seen: $458.72 on Nov 13 at Walmart. Tracked across 11 stores since Nov 13.
Buyers rate it highly, with 37 ratings averaging 4.8 out of 5. Owners praise the fit, the sound and the build quality, and most report an easy install.
This is the Injen RD Series cold air intake for the 2002-2006 Nissan Sentra SE-R and SE-R Spec V with the 2.5L I4 engine. This part number, RD1966P, has a polished finish. It is a direct-fit, bolt-on kit that maintains safe air/fuel ratios without additional tuning.
The intake tube is mandrel-bent 6061-T6 aluminum. Its smooth bends give air an uninterrupted path and avoid restrictions. The tube reaches into the engine bay to draw in cool, dense air. The kit includes a fully serviceable Injen SuperNano-Web dry air filter, which has increased filter surface area for greater airflow.
Dyno-proven gains are up to 7 hp and 7 lb-ft of torque. The intake also produces a more aggressive engine tone under full throttle. It is made in Pomona, California, USA.
