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It is a different ball game when comparing DI to Port Fuel inj...

Don't have a dog in this hunt but here's some info from people "in the know". Air/Fuel Ratio tuning:Rich vs Lean | Turbobygarrett Why lean makes more power BUT is dangerous When discussing engine tuning the 'Air/Fuel Ratio' (AFR) is one of the main topics. Proper AFR calibration is critical...

Agree...that's why I only did the axle-back section and kept my KOOKS intermediate pipe. If they could do the section between our cats and muffler it might be doable. Keep the stock muffler, some quality down pipes to replace the jacked up, horrible flowing cat exhaust, and sandwich the...

Yep agree Hal...looks like quite a bit is left on the table from the stock tune not to mention the horrible angles and bottle necking of the stock cats and exhaust. Would love to see the Titanium Akrapovic system for the ATS-V. Doubt they will do it but I'm extremely happy with the...

Thanks Rob...Hib sent me over. Looks like a great site with some great info. Looking forward to being part of the fam.

Hey everyone. My first V-series Caddy. Couldn't be happier. Almost pulled the trigger on a CTS-V back in 2009 but decided to purchase another Z06 as I was hooked with my first in '07. This is an amazing, little sport sedan with what looks like some very easy mods to gain an incredible amount...