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Compare direct-fit & high-flow catalytic converters for the 2003-2008 Nissan 350Z & Infiniti G35 (VQ35). Spec...

Compare the 5 best Kia Stinger GT cat-back exhausts (2018-2023) from aFe, Borla, MBRP & MagnaFlow. Sound, materia...

Compare the top bolt-on upgrades for the 2016-2019 Ferrari 488 GTB: Akrapovic titanium exhaust, CSF F1-grade intercoo...

Best bolt-on mods for the 2017-2022 Alfa Romeo Giulia 2.0T: aFe intake, Mach Force cat-back, Scorcher tune and brakes...

Akrapovic BMW M8 titanium cat-back exhaust review: Evolution Line specs, weight savings, sound and F91/F92/F93 fitmen...

2005-2006 Pontiac GTO cat-back exhaust compared: MagnaFlow 3-inch vs Borla, plus a budget Gibson axle-back. LS2 sound...

Audi TT RS exhaust upgrade for the 8S: install the AWE SwitchPath or Track Edition cat-back for +30 whp, weight savin...

Compare the 5 best Infiniti G37 cat-back exhaust systems for the 3.7L VQ37 (2008-2013). Real specs, sound notes and d...

Compare the best C8 Audi RS6 & RS7 exhaust systems: Akrapovic titanium, AWE SwitchPath valved, and aFe cat-backs....

Akrapovic Audi RS7 (C7) titanium cat-back review: sound, weight savings and fitment for the 2014-2017 RS7, plus intak...

Compare the best AMG E63 W213 exhaust systems for the 2018-2023 E63 S: Akrapovic titanium vs AWE SwitchPath, sound, s...

Compare the best VW GTI Mk7 cat-back exhaust systems (2015-2021): Borla S-Type vs MBRP Pro Series. Sound, flow, tips ...