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Featured Products

  RENNTech ECU Upgrade CLS 550ECU:54.219.CLS550
Our proprietary ECU upgrade for the Mercedes M278 engine in the new CLS 550 offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Our ECU tune offers the biggest performance gains on the market translating to an astonishing 530 HP and 606 lb/ft at the crank! GSP Price:
$1490.00

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  RENNTech Stainless Steel Sport Mufflers for CLS 550 Biturbo 49.218.22550
RENNtech T-304 stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that keeps with the character of a luxury performance vehicle. Our mufflers with 2 1/2 inch diameter tubing offer lighter weight than the stock exhaust and improve performance by reducing exhaust back pressure, increasing exhaust gas flow and cylinder scavenging. GSP Price:
$2480.00

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  RENNTech Down Pipes with 200 Cell Sport Catalytics for CLS 63 Biturbo (C218)49.157.0863
Our performance down pipes replace the restrictive stock exhaust with high flow, 200 cell sport catalytics for improved performance, reduced back pressure, greater exhaust gas volume and better sound. Combined with RENNTECH's ECU software our CLS 63 down pipes create an incredible sound with performance to match. Our down pipes mate perfectly with the stock CLS exhaust system and include all necessary mounting hardware and clamps. High-strength 304 stainless steel construction with high flow, 200 cell sport catalytics ensure lasting quality and a rich, consistent sound. GSP Price:
$4780.00

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  MEC Front Spoiler Lip W218Custom Order
MEC Design Front Spoiler Lip W218, only for models with the AMG Styling kit (Sport packet) NOT CLS63 AMGGSP Price:
$1118.32

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