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Had the 2.75" Beaudesert exhaust fitted yesterday. Stoked! It's the first of the major engine mods that are planned. I got the high flow cat with mine and it certainly sounds throaty. The installers, Opposite Lock, had issues with a stripped bolt on the heatshield, so I guess they must have got the grinder out, because there was heaps of swarf left on the firewall when I was having a look at home! Not only that, but they found it too difficult to install my the oil pressure and water temp sensors for the Redarc gauges! So the gauge delay continues.
Exhaust difference - definitely feels a little more powerful and my scan gauge II was telling that the engine is running 2 degrees cooler.
Out of curiosity - does anyone know if the ECU needs resetting after installing a larger exhaust? Im not sure if the reduced back pressure, cooler temps etc would affect the fuel mapping and all the magic things the ECU does...