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S2000 supercharger kits compared: KraftWerks Rotrex C38-81 hits 407-431 whp vs the HKS GT2 at 310 whp. Boost, dyno da...

Akrapovic Giulia Quadrifoglio exhaust compared: the Evolution Line ships as two mandatory part numbers. Weight, power...

GR Supra exhaust compared: Akrapovic titanium vs HKS Super Turbo vs Borla ATAK. Real weights, decibel data, and price...

BMW M8 exhaust guide: Akrapovic Evolution Line titanium vs Borla ATAK stainless for 2020-2025 F91/F92/F93. Compare sp...

Compare the best Audi R8 (Type 42) coilovers: KW V3 vs H&R RSS+ vs KW V4. Real specs, lowering ranges, and prices...

Compare the best 2015-2021 WRX STI cat-back exhausts: HKS Super Turbo Ti, Borla S-Type and MagnaFlow. Real specs, sou...

Compare the 3 best coilovers for the 2016-2018 Ford Focus RS: KW DDC, KW V3 and ST XTA. Damping, lowering ranges and ...

Compare the best C7 Corvette Z06 exhaust systems: Akrapovic titanium slip-on vs Borla ATAK & S-Type. Sound, weigh...

Compare KW V4 coilovers vs Eibach and BMR lowering springs for the 2015-2023 Dodge Challenger and Charger SRT Hellcat...

Compare the best Mercedes-AMG C63 (W205) suspension: KW V4 coilovers, H&R VTF springs, Bilstein B12 & more. R...

Porsche 718 Cayman coilovers vs springs vs dampers compared: KW Clubsport, Bilstein B6 & H&R Sport specs, pri...

Audi S3 8V cat-back exhaust compared: MBRP budget pick, AWE Track raw, AWE SwitchPath dual-mode. Sound, drone, gains,...