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HJS HDPE motorsport catalysts
Designed specifically for Volkswagen models
Does Not fit PSE-equipped vehicles
are after air fuel ratios have been compensated via software for the exhaust upgrade
Kline Innovation Ferrari PORTOFINO cat pipe set Heat Shield Option BMW-420i-425i-430i-2023 HJS HDPE motorsport catalystsTHE SOUND Replacing the stock catalyst for high flow 100cpsi HJS sports catalysts, we were able to open the sound significantly. Replacing the stock H pipe for our perfect geometry, laminar flow X Pipe, enriches the tone, as well as raising the pitch, and producing a fuller, more aggressive sound to the exhaust note. THE SPECIFICS Catalysts Available in a choice of 100 or 200 cell high flow sports cats. Materials Available in premium grade Inconel 625
