Exhaust mods are great until that P0420 code pops up. Fixed mine with a 90° spacer that actually has a mini-cat built-in. Huge difference in keeping the sensor happy without a full tune. #minicatalytic #carprojects #diyautorepair
Spent way too much time chasing P0420 codes after an exhaust swap. Found this 45° O2 spacer with a built-in mini cat. Finally, no more dash lights. If you're tired of the "Check Engine" glow, this actually works. #minicatalytic #carprojects #diyauto
Spent the weekend trying to clear a persistent P0420 code after an exhaust swap. Finally found a simple fix that doesn't involve a ECU tune or a shop visit. The 180-degree mini cat spacer actually works. No more dash lights. #DIYAuto #minicatalytic #carprojects
Tired of that stubborn P0420 code after an exhaust upgrade? Found a clean, stainless 45-degree fix with a built-in mini cat that actually works without needing a welder. Simple, effective, and keeps the dash clear. #minicatalytic #carprojects #diyautorepair
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Ad: For Sale - 1999 Mini Cooper Sportspack – Classic Mini Unfinished Project #MiniCooper #ClassicCars #CarProjects
