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the Brake Ducts are the first step toward a more powerful and efficient brake setup for the AMG GT R
82mm throttle body kit and RENNtech stainless steel headers for a gain of +64 HP and +58 LB-FT over stock
Measured on RENNtech’s in-house DYNO the R3 -upgrade increases the power output to 938 WHP and 731 WTQ
The maximum power number reached with the RENNtech ECU Upgrade for the W166 - GLE 43 AMG SUV is 400 HP and 440 LB-FT
384 LB-FT @ 1
Stainless Steel Headers for M156 - 63 AMG Engines porsche-macan-gts--2018-present--esr2386666 the Brake Ducts are theRENNtech Stainless Steeel Exhaust Headers for M156 63 AMG Engines. Gaines: +11HP & 20TQ RENNTECH stainless steel and ceramic coated exhaust headers offer true bolt on installation, mounting directly to the OE down pipes and all RENNTECH headers are hand built from mandrel bent, seamless tubing and CNC machined stainless flanges. Advanced computer aided design (CAD) and flow analysis software allows RENNTECH headers to deliver substantial gains across