AEM's RX-8 Cold Air Intake (CAI) features CNC mandrel-bent 6061 piping, tuned in both length and diameter to maximize power. Every AEM cold air intake is powder coated or polished and has TIG-welded fittings and brackets. For filtration, AEM utilizes its new reusable lightweight urethane, four-layer cotton-gauze filter that features a redesigned air horn for improved performance. AEM's RX8 cold air intake (CAI) sits in the front bumper opening to draw in as much air as possible, giving you a noticeable power increase, and making your rotary engine scream! AEM's testing has shown gains of 8hp and 7lb-ft of torque on an RX8. AEM cold air intake kits ship complete with installation hardware, comprehensive instructions, and AEM decals.