KW DDC ECU 39025008 COILOVER KIT 2012+ MERCESDES SKL 55AMG (W172) Audi-A7-C8-55-TFSI-Quattro-(3-0T)-2020 On valve closed the silencers

On valve closed the silencers are tuned to completely eliminate any highway drone

Our iPE exhaust and Valvetronic muffler is made with ultra-light Stainless material

Built around larger catalytic converters than previous generations due to the LT6’s higher demands

We are very careful with tuning out droning of the exhaust because we want it to be comfortable on long drive

Soul Performance Products Cat Bypass Pipes replace the restrictive factory Porsche catalysts with free-flowing straight pipes to unlock an invigorating increase in turbo sound

KW DDC ECU 39025008 COILOVER KIT 2012+ MERCESDES SKL 55AMG (W172) Audi-A7-C8-55-TFSI-Quattro-(3-0T)-2020 On valve closed the silencersKW DDC 12 16 Mercedes Benz SLK 55 AMG (W172)