theCARhack

This all titanium header back exhaust replaces the stock catalytic converters with higher flowing 100 cpsi race versions as well as everything from there on back. The quality of workmanship is evident with every detail, including clean welds:

Double wall, resonated, fully adjustable tips:

And solid flanges that mate perfectly to the OEM flange coming off the headers:

Along with the high flow cats and mufflers, Akrapovic eliminated contortions and twists in the stock exhaust tubing (see below) to clean up the air flow:

The kit came with the most thorough installation instructions we've ever seen at the shop, including proper torque values for every nut and bolt. This is easily the best exhaust system that we have installed. And it's more than just a well crafted piece of tubing hanging underneath the car, it delivers power and sound.

According to their website: "From approximately 2.500 rpm on, the power increase is about 22 HP. The torque is nearly constant at 35 Nm over the stock. That is the real joy of driving: high speed engine benefits in daily practice due to the torque increase. It improves the agility in the lower rpm-range noticeably. Also, the engine is stronger in the higher rpm-range and the elasticity is improved considerably. The improvement of acoustics played an important role in the development. The Akrapovic exhaust system amplifies and rectifies the beautiful sound of the 8-cylinder motor, without appearing invasive or having disadvantages in the daily use"

All told, the Akrapovic components are 24 kg, or 52.8 lbs lighter than the stock system.

This exhaust system is expensive, but looking at the materials used the craftsmanship and the performance, we consider the price well worth it.

And

Next up, power pulleys...