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Alfa Romeo Giulia Quadrifoglio exhaust: Akrapovic titanium vs Remus. Specs, sound, weight savings and pricing from $3...

Upgrade your Porsche 911 Carrera S (991.2) exhaust: Akrapovic titanium slip-on install steps, AWE SwitchPath specs, s...

Compare the best AMG E63 S (W213) exhaust systems: Akrapovic titanium vs AWE SwitchPath. Specs, sound, weight savings...

370Z and G37 catalytic converters explained: CARB-legal MagnaFlow direct-fit cats for the 3.7L VQ37, plus fitment, em...

Upgrade your Ferrari 488 GTB exhaust with the Akrapovic titanium Slip-On: +7.7 hp, 8.3 lb lighter, ~10 dB louder. Ful...

Audi S6/S7 C7 exhaust review: the Akrapovic Evolution Line titanium cat-back sheds 17 lb and frees the 4.0T V8. Compa...

Compare the best MagnaFlow catalytic converters for the 2008-2014 Lexus IS F 5.0L V8: CARB 50-state vs Federal, direc...

Akrapovic Giulia Quadrifoglio exhaust review: the Evolution Line titanium cat-back for the 505-hp 2.9L V6, with sound...

Compare the best Dodge Charger & Challenger catalytic converters: MagnaFlow direct-fit for V6 to 6.2L HEMI, CARB ...

Kooks long-tube headers for the 2024+ Mustang GT & Dark Horse (S650): 304 stainless, 2in primaries, 300-cell GREE...

Compare the best 2015-2020 Alfa Romeo 4C mods: MagnaFlow exhaust, GiroDisc rotors, Eibach springs and EBC brakes. Spe...

MagnaFlow direct-fit catalytic converters for the 2006-2010 BMW M5 & M6 S85 V10. Compare OEM-grade vs high-flow, ...