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A direct-fit catalytic converter from MagnaFlow for the 2004-2008 Acura TSX 2.4L. It uses mandrel-bent 16-gauge 409 stainless tubing and 308 stainless MIG welds, and MagnaFlow says it bolts on without cutting or welding. It is a federal/EPA-compliant unit, not a California CARB-approved one, so check your state's rules before buying. Owners report easy installation and a good fit, but some cite noise, non-OE flanges and a P0420 code within a year.
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Lowest price we've seen: $755.99 on Nov 9 at Advance Auto Parts. Tracked across 1 store since Nov 9.
Owners who had a smooth install praise the fit, included gaskets and stainless build. Others report noise, non-OE flanges and a check-engine light returning within a year.
This is a direct-fit catalytic converter for the 2004-2008 Acura TSX with the 2.4L engine. It is Federal/EPA compliant and HM grade. It installs without cutting or welding.
The body and tubing are stainless steel. The tubing is 16 gauge 409 stainless steel, which resists corrosion, and the hangers are 410 stainless steel. The welds are 308 stainless steel MIG welds, and a single laser fusion weld reduces the possibility of a leak. The converter uses a ceramic substrate.
The tubing is free-flowing and mandrel-bent. The compact, low-mass design allows for greater thermal efficiency.
