Magnaflow Direct Fit Bolt-on Catalytic Converter
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$439.99at Advance Auto PartsChecked Nov 9
Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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A bolt-on replacement catalytic converter that MagnaFlow 3D-scans to match the factory part, so it installs without cutting or welding. It uses mandrel-bent stainless steel tubing and a single laser-fusion weld to cut leak risk, and the compact body is meant to heat up faster than the stock unit. Owners split on it: many report a direct fit and a quick install, while others hit flange and O2-sensor placement problems and, in some cases, a P0420 code within a year. It suits drivers replacing a failed converter on a stock car who want a bolt-in part rather than a universal weld-in unit.
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Lowest price we've seen: $439.99 on Nov 9 at Advance Auto Parts. Tracked across 1 store since Nov 9.
Buyers who got a clean fit call it an easy bolt-on replacement that is light, durable and sounds good. Others ran into flange quality and O2-sensor placement issues, and some had a check-engine light return within about 10,000 miles.
This is a direct-fit, bolt-on catalytic converter for cars. It installs with no cutting or welding. It was 3D-scanned to replicate the original equipment design for fit and function, and it fits the 2000-2005 Toyota Celica GT 1.8L.
The body and tubing are stainless steel. The tubing is 16 gauge 409 stainless steel and is mandrel bent for free flow. The hangers are 410 stainless steel, the welds are 308 stainless steel MIG welds, and the converter uses a ceramic substrate. A single laser fusion weld reduces the chance of leaks.
The design is compact and low in mass, which allows greater thermal efficiency. The stainless steel construction is highly corrosion resistant.
