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axis · 01-23-2012, 04:16 PM

As was mentioned, why would they recommend necking down your 2.5in exhaust to 2.25in? That in itself would cause you to drop HP. If you're looking to save $$, look for a good axleback and install it yourself. Two cuts, slide the pipes together, align the tips, then tighten the bolts. As far as tunes, look for a shop you trust and see what they use. SCT seems to be the tuner of choice and most shops utilize them for their mail order tunes. Not sure how many shops utilize both the Diablo and the SCT.

01-23-2012, 04:16 PM	#6
axis Search Ninja Drives: 2010 Black 2SS/RS A6 Join Date: Oct 2009 Location: Central Ark Posts: 7,183	As was mentioned, why would they recommend necking down your 2.5in exhaust to 2.25in? That in itself would cause you to drop HP. If you're looking to save $$, look for a good axleback and install it yourself. Two cuts, slide the pipes together, align the tips, then tighten the bolts. As far as tunes, look for a shop you trust and see what they use. SCT seems to be the tuner of choice and most shops utilize them for their mail order tunes. Not sure how many shops utilize both the Diablo and the SCT. __________________ 2010 Black 2SS/RS A6 Halltech CF 102 fed GPI modded intake manifold Bo (knows) White ported TB Kooks LT's/ Dynomax VT Pfadted (springs/sways) Dyno tuned by Rhino and GPI I once parallel parked a train.