The “G-Power G4M CSL Limited Ducktail” is an upgraded version of the 2023 BMW M4 CSL. G-Power has tuned the track-spec M4 to crank out almost 200 extra horses. G-Power ups the power output with a proprietary tune and upgraded exhaust. The G-Power M4 CSL also flaunts a cosmetic upgrade. It doesn't look drastically different or over the top. But, the subtle, tasteful changes give it a more aggressive mien. It is a perfect option to consider if you desire a more belligerent version of the track monster. G-Power M4 CSL Limited Ducktail Is A Beefier 2023 BMW M4 CSL To understand the G-Power M4 CSL, you need a clear picture of the base car. The 2023 BMW M4 CSL is a race car for the road, limited to just 1,000 examples. It is a lighter, more potent version of the 2023 BMW M4. To be specific, the CSL is 240 lbs lighter and 40 hp more powerful than its regular counterpart. Powering the beast is a 3.0-liter twin-turbo inline-6 motor. The power output is an impressive 543 hp and 479 lb-ft of torque. Major weight-saving credit goes to the absence of rear seats. Other slimming elements include several carbon fiber components and a titanium exhaust. The CSL also gets a stiffer suspension. The wheels are lighter, staggered, and encircled with Michelin Pilot Sport Cup 2 R track tires. The G-Power M4 CSL Limited Ducktail takes the M4 CSL to the next level. It gets a custom tune and upgraded exhaust system. The “Deeptone” exhaust system comprises custom downpipes and upgraded center and rear mufflers. A set of high-flow 200-cell catalytic converters are also part of the package. All of this results in a peak output of 720 hp and 627 lb-ft of torque. This is an addition of 177 horses and 148 lb-ft. On top of that, the G-Power M4 CSL boasts a higher top speed. The stock car maxes out at 191 mph, whereas the G-Power M4 CSL can reach speeds of up to 205 mph. The G-Power M4 CSL also gets some subtle yet tasteful, exterior mods. The front end features a Ventury carbon fiber hood and engine cover. The exterior also gets a bunch of carbon fiber garnishes and red accents. There are two sets of wheels on offer. These are Hurricane RR and Hurricane RS designs. Interior mods include carbon fiber paddle shifters, upgraded upholstery, and new floor mats. Source: G-Power, Top Gear, Car And Driver