BMW 525i/528i/530i/540i (G30/G38) Racing Valved Exhaust system | GWAPOTech JAPAN
The exhaust system for BMW 525i/528i/530i/540i (G30/G38) consists of
① downpipes, ② center pipes, and ③ rear exhaust.
First, we will introduce the downpipes starting from the front side.
Here is the OEM downpipe for BMW 525i/528i/530i/540i (G30/G38), which includes large catalysts due to stringent emission regulations in the Eurozone, resulting in naturally lower sound volume.
We offer straight specifications without catalysts or 200-cell sports catalysts* (available at an additional cost). This setup not only increases sound volume but is also highly effective for weight reduction and horsepower tuning.
Next is the cat-back system, an essential part of sound tuning following the downpipes. Here, we introduce both the rear mufflers and center mufflers simultaneously.
OEM center pipes feature large silencers, which suppress exhaust efficiency.
e have developed center pipes that maximize equal length for left and right sides, ensuring that sound is outputted without disappearing even at high RPM ranges.
For the rear exhaust, we employ a variable valve system that allows switching sound volume according to usage.
To add distinction between ON and OFF modes, we use larger exhaust tips and design them to match the sound level of OEM silent mode, ensuring peace of mind during night or residential area driving—a gentlemanly specification.
When the valve is open, it maximizes engine potential, producing a racing sound that enhances everyday driving experience.
We offer a variety of exhaust tip options so you can choose the best design that fits your vehicle's image.
We also offer wholesale prices, so please feel free to contact us!
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