The most restrictive component of the factory exhaust system is the down-pipe which begins right after the turbocharger. Invidia Exhausts use a larger pipe diameter and smooth bends which allows the turbocharger to exhale exhaust gases with fewer restrictions and turbulence. Because of these reasons, Invidia down-pipes make for the most popular exhaust upgrade that adds a substantial bump in both horsepower and torque with a great reduction in turbo lag.
To withstand the high temperatures seen at the turbocharger, laser cut cast steel flanges are used to ensure long lasting leak free reliability. Factory O2 sensor locations are also retained to ensure compatibility with factory systems.
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