AUDI A4/A5 (B8/B8.5) Racing Valved Exhaust system | GWAPOTech JAPAN
The exhaust system for the Audi A4/A5 (B8/B8.5) consists of:
Downpipe
Center Pipe
Rear Exhaust
Let's start with the downpipe at the front.
The stock center pipe has a very large silencer that restricts exhaust efficiency.
To optimize exhaust efficiency, we offer both a straight pipe and an optional 200-cell sports catalytic converter* (available for an additional fee).
Next, let's look at the center pipe.
The stock center pipe has a large silencer that limits sound volume and results in muffled low-frequency sound.
Our center pipe removes the silencer, reducing weight and optimizing the angle of the Y-shaped pipe connecting to the rear exhaust to produce the best possible sound.
Finally, let's discuss the rear exhaust.
The stock rear exhaust also features a large silencer, which reduces exhaust efficiency and leads to a muffled low-frequency sound.
Our rear exhaust not only reduces weight compared to the stock unit but also features a variable valve system that allows you to switch the sound volume according to your needs.
We have chosen a larger silencer to ensure that in silent mode, the volume is similar to the stock silent mode, making it suitable for nighttime or residential areas.
When the valve is open, the system maximizes the engine's potential and delivers a racing sound, enhancing the driving experience with a thrilling sound.
For customers who have replaced their rear diffuser with an aftermarket part, we also offer RS-style tail finishers.
We offer wholesale prices as well, so please feel free to contact us!
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