The installation of catless downpipes will result in an inevitable check engine light (CEL) as the DME will detect that emissions are not being burnt up by the OEM catalyst. To remove this CEL without having to tune it out we offer the palenon performance CEL Delete Kit which is comprised of O2 sensor spacers specifically calibrated to co
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14 ratings
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Havent put on yet but the quality of the product is excellent and the shipping was quick
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Javon · August 5, 2026
Good quality 👌
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Victor · June 21, 2026
Perfect so far after a week, need to pass RI Inspection and with catless downpipes it wouldnt. With these 02 extensions, it def will