aFe Magnum FORCE Performance Accessories Coupling Kit 4in ID x 4-1/2in ID 2014-kia-optima-sx-esi6588098 The included performance air filter

The included performance air filter is surrounded by an open-element XLPE (cross-linked polyethylene) polymer housing that minimizes warm engine air for maximum performance

High Flow 400 CPSI Catalytic Converter

SB7-HDR6 kit features ACT's most popular Heavy Duty pressure plate

Calibration Plug

ACL Toyota ZGR-FE V6 Lotus Evora Exige Std High Performance W/ Xtra Oil Clearance Main Bearing Set

aFe Magnum FORCE Performance Accessories Coupling Kit 4in ID x 4-1/2in ID 2014-kia-optima-sx-esi6588098 The included performance air filterAdvanced 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 choice for a high performance aftermarket air filter. We are a team of engineers, machinists, production and sales people who believe in the product we design. We each have years of experience in our