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Compare 5 Audi S5 exhaust systems for the B8, B8.5 and B9 (2008-2024): AWE SwitchPath, Track and Touring vs MBRP. Sou...

Compare the 5 best BMW M2 (G87) exhaust systems: Akrapovic, HKS, AWE and aFe. Real specs, sound, weight savings and p...

Compare the best big brake kits for the BMW F80 M3 & F82 M4: Alcon 6-piston BBKs, GiroDisc & EBC 2-piece roto...

The best cat-back exhaust for Mustang GT: 5 S550 systems compared from $1,499 to $2,629 on sound, drone, active-valve...

Compare the best Audi TT RS coilovers and suspension for the 2018-2021 8S: KW V3, Bilstein B16/B14, Eibach and H&...

Compare the best BMW F8X M3/M4 (S55) intercooler upgrades: Garrett, Mishimoto & Koyo charge coolers with real dyn...

McLaren brake upgrades: GiroDisc two-piece slotted rotors for the Senna, 570S, 570GT & 540C. CCM-to-iron conversi...

Compare the best BMW Z4 (G29) coilovers and suspension upgrades for the 2019-2026 M40i and sDrive30i. KW V3, Clubspor...

Compare the 6 best GR Corolla cold air intakes for 2023-2025: HKS, AWE carbon, aFe and Mishimoto. Real airflow, dyno ...

Compare the best BMW M240i exhaust systems for F22 (2016-2021) and G42 (2022+). Akrapovic, Remus, AWE & MBRP spec...

Compare the best Alfa Romeo Giulia Quadrifoglio exhaust systems - Akrapovic titanium Evolution Line vs Remus, with re...

Compare the best big brake kits for the 2009-2020 Nissan 370Z & Infiniti G37: Wilwood 6-piston BBKs plus DBA, Sto...