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contributing to improved handling characteristics across a variety of driving conditions
Round Air Filter Shape
2010–2025 Universal Fitment / All Vehicles with 10x1
which effectively insulates the intake air from engine heat
the ACT HD/Perf Street Sprung Kit helps improve clutch response
2015-2021 Subaru WRX/STI Pitch Stop Mount by Kartboy YMM_1996_2002_Dodge_Viper_II_SR_II contributing to improved handling characteristicsKartboy Pitch Stop Mount Fitment: 2015 2021 Subaru WRX STI Part #: KB 015 Pitch Overview The Kartboy Pitch Stop Mount is a high performance aluminum upgrade designed specifically for Subaru WRX and STI models from 2015 to 2021. This component replaces the factory engine pitch stop mount, providing a more rigid and durable connection between the engine and chassis. Its primary purpose is to reduce engine movement during acceleration, deceleration, and