Audi B9 S4 S5 SQ5 V6T 3.0T 2018+ catless decat downpipe

The downpipes are TIG welded and made of SS304 aircraft-grade stainless steel. Power increases are noticeable, as is a much more aggressive engine sound which really opens up the full potential. The turbocharger is relieved, they create lower temperatures and less exhaust back pressure. The cylinder charge is raised, resulting in peak performance. Due to the turbo’s higher spool, the downpipes will deliver a stronger throttle response. Mandrel-bent for improved gas flow and maximal internal size for maximum performance without Jeopardizing any mid-range torque. In comparison to the factory catalytic converter, there is also significant weight savings. With gaskets & bolts compliment with the brushed stainless finish.

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Life time warranty

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