Congrats Darren, i'm glad everything worked out with the easy fix. ps you beast is sick fast.
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09 Red/Black GT-R premium with i pod + mats loaded. {stock for now}
02 Ducati 998Bostrom #45/155
10 BMW S1000RR Dark{black} on order
06 BMW M5 SilverStone/Black smgIII {sold}
05 BMW M3 Comp. SilverGray 6speed {sold}
03 BMW M5 Bluewater/Silverstone 6speed {sold}
03 BMW M3 JetBlack smgII, loaded+ Dinan S2 +Brembos track&street car. Sold
91 BMW M5 Black/black 5speed sold.
I think it would take the 599... look at the differences
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2004 Mini Cooper S: Alta supercharger 15% pulley upgrade, Dinan cold-air intake, Skunk2 header back exhaust, RMW CUSTOM TUNE, Alta oil catch can, OMP Strut brace, Eibach pro-kit springs, H-Sport camber links, 19mm Rear sway bar w/ adj. end links, 18 in. Breyton mini magics, 6lbs lighter crank pulley, polyeurathane tranny and engine bushings, wheel Studs, Wilwood BBK... More to come soon!
RIP=White 944 turbo: KKK K-27/6 turbo, upgraded intercooler, Lindsey Racing hardpipes, Autothority MAF, B&B exhaust with 4.5" oval tip, Siemens #55 fuel injectors, Lindsey Racing MaxHP custom Chip set, 3 bar fuel pressure regulator, Re-worked head and slightly overbored pistons, Spec Lightened 6 puck stage 3 clutch, Quaif torque biase differential, Apexi AVC Type-R Electronic boost controller, HKS type-1 turbo timer, Shimmed wastegate, Champion Motorsports adj. bypass valve, Weltmeister front and rear sway bars, Weltmeister strut tower brace, Koni adj. "yellows", unknown springs, Turbo Twist rims, Kumho Ecsta Supra tires... And a couple of more unknown mods...
Let's not forget Darren's beast is not your "ordinary everyday stroker." He also has high flow primary cats, which my installer says add 40+ crank horsepower to an ordinary E60 M5 and by his estimates 50+ crank HP to the stroker motor. I really look forward to some dyno results and more races. Please keep them coming--I am already Jonesing for more!
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2006 M5--Sapphire black/sepang Dinan: free flow exhaust, Stage 3 engine software, high flow throttle bodies, high flow air mass meter/intake Assemblies, stage 2 suspension, 13% underdrive crankshaft pulley, 5.7 liter stroker engine (I think I am finally done)
What kind of difference have you felt after changing out your primary cats and also have you noticed a sound difference?
I think Darren did all of this at the same time he had the stroker installed.
Personally, I noticed a slight sound increase with the primary cats and significant sound increase without the secondary cats. Car definitely jumps off the line faster, as shown by consistently faster 0-10 and 0-20 MPH times on my Performance Box. Feels faster up top as well. Just trying to find a time to safely get a 0-60 time, and I am waiting for it to cool down a bit on a day when the humidity isn't so high. At the moment, I am just concerned about finding gas. Perhaps we can do a group buy and have some overnight shipped to us.
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2006 M5--Sapphire black/sepang Dinan: free flow exhaust, Stage 3 engine software, high flow throttle bodies, high flow air mass meter/intake Assemblies, stage 2 suspension, 13% underdrive crankshaft pulley, 5.7 liter stroker engine (I think I am finally done)
What kind of difference have you felt after changing out your primary cats and also have you noticed a sound difference?
I did the stroker and full exhaust all at the same time so I cannot give you a before and after comparison.
I'll reserve speculating on power figures until I get a dyno performed. Hopefully this week.
I think the sound is absolutely perfect (level, tone, pitch, etc.). It's quieter than my Evosport headers paired with race cats. Also, there is virtually no drone and the pitch is higher so it's much more F1-ish.
Perhaps we can do a group buy and have some overnight shipped to us. 
Linear Mode
