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We’ve extracted additional power through improved gas-flow dynamics and a drop in back pressure
0 (HP: 245 | Year: 12 >)
CL 500 (C215)Stock Performance:
and larger crankshaft pulley
R1 Performance Package for CLK 550 (C209- 413 HP / 422 LB-FT) porsche-911--991-1---2011-2016--gt3-esr3707851 We’ve extracted additional power throughR1 Performance Package for 209 CLK 550. Includes ECU Upgrade and Stainless Steel Header. Up to 413HP and 422 LB FT. The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for the 550 V8 for a combination that provides increased performance, sound and throttle response across the vehicles entire powerband. R1 performance package includes: RENNtech ECU
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US$ 335.00