Over 500 Concours owners are running my flashes... here's what some of them have to say :
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-engineering-(steves-top-secret-flash)/msg620357/#msg620357
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-mountain-runner-flash/msg620755/#msg620755
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-flash-review-(evolution)/msg613217/#msg613217
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ecu-flash-71592/msg607857/#msg607857
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/my-quick-evolution-flash-review/msg582760/#msg
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/first-ride-with-sisf's-evo-beta-flash/msg572095/#msg572095
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/area-p-flash-review-sort-of/msg604097/#msg604097
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/sisf-evo-flash-worth-every-penny-period!/msg598068/#msg598068
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/my-thoughts-on-2009-vs-2010-and-of-course-the-flash/msg567285/#msg567285
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/evo-flash-might-want-to-reconsider/msg581338/#msg581338
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-evolution-flash/msg575570/#msg575570
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ecu-flashing/msg558847/#msg558847
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/full-area-p-with-steves-flash/msg562805/#msg562805
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/yes-another-evolution-flash-review/msg577550/#msg577550
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/sisf-new-prototype-flash-my-thoughts/msg564934/#msg564934
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/decel-vs-evo-flash/msg586825/#msg586825
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve's-ecu-flash/msg586551/#msg586551
http://forum.cog-online.org/say-anything-here-except-that!/sisf-flash-and-motoport/msg535690/#msg535690
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/i-got-flashed-at-the-national/msg545643/#msg545643
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/sisf-decel-flash/msg563178/#msg563178
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ecu-decel-flash-by-steve/msg552170/#msg552170
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve's-ecu-flash-first-impression-awesome/msg562437/#msg562437
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/unfreekinbelievable!-(sisf-flash)/msg557957/#msg557957
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/mpg-flash-mpg-update-on-trip-to-alaska/msg556423/#msg556423
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/wow-the-'decel-flash'/msg552284/#msg552284
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-flash-impressions/msg508108/#msg508108
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve's-flash-could-have-saved-me-$14k/msg553028/#msg553028
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/there-is-a-flash-house-in-helen-ga-(apologies-to-the-house-of-the-rising-sun)/msg546600/#msg546600
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/my-opinion-of-steve's-flash/msg537101/#msg537101
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-engineering-flash/msg537267/#msg537267
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-full-area-p-exhaust-flash-report/msg537297/#msg537297
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-area-p-flash/msg538289/#msg538289
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/sisf-flash/msg528569/#msg528569
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/review-of-steve's-flash-on-my-2015-c14/msg519736/#msg519736
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve-flash/msg527163/#msg527163
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ecu-flash/msg508797/#msg508797
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/yes-another-'flash'-thread/msg508389/#msg508389
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/initial-impressions-of-the-shoodaben-engineering-flash/msg530466/#msg530466
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/just-got-my-ecu-flashed-from-sisf/msg520089/#msg520089
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/uh-another-flash/msg521295/#msg521295
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/one-more-happy-sisf-flash-customer/msg519454/#msg519454
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ssif-ecu-reflash/msg500917/#msg500917
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/flash!-right-on!/msg522123/#msg522123
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/thoughts-on-steves-flash/msg506122/#msg506122
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve's-flash-wdecel-my-review/msg507826/#msg507826
This one is older, but a good read of behind the scenes:
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/how-steve-flashes-us-behind-the-curtain/msg512094/#msg512094
This is just a portion. Enjoy! Steve
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-engineering-(steves-top-secret-flash)/msg620357/#msg620357
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-mountain-runner-flash/msg620755/#msg620755
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-flash-review-(evolution)/msg613217/#msg613217
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ecu-flash-71592/msg607857/#msg607857
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/my-quick-evolution-flash-review/msg582760/#msg
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/first-ride-with-sisf's-evo-beta-flash/msg572095/#msg572095
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/area-p-flash-review-sort-of/msg604097/#msg604097
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/sisf-evo-flash-worth-every-penny-period!/msg598068/#msg598068
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/my-thoughts-on-2009-vs-2010-and-of-course-the-flash/msg567285/#msg567285
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/evo-flash-might-want-to-reconsider/msg581338/#msg581338
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-evolution-flash/msg575570/#msg575570
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ecu-flashing/msg558847/#msg558847
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/full-area-p-with-steves-flash/msg562805/#msg562805
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/yes-another-evolution-flash-review/msg577550/#msg577550
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/sisf-new-prototype-flash-my-thoughts/msg564934/#msg564934
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/decel-vs-evo-flash/msg586825/#msg586825
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve's-ecu-flash/msg586551/#msg586551
http://forum.cog-online.org/say-anything-here-except-that!/sisf-flash-and-motoport/msg535690/#msg535690
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/i-got-flashed-at-the-national/msg545643/#msg545643
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/sisf-decel-flash/msg563178/#msg563178
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ecu-decel-flash-by-steve/msg552170/#msg552170
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve's-ecu-flash-first-impression-awesome/msg562437/#msg562437
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/unfreekinbelievable!-(sisf-flash)/msg557957/#msg557957
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/mpg-flash-mpg-update-on-trip-to-alaska/msg556423/#msg556423
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/wow-the-'decel-flash'/msg552284/#msg552284
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-flash-impressions/msg508108/#msg508108
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve's-flash-could-have-saved-me-$14k/msg553028/#msg553028
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/there-is-a-flash-house-in-helen-ga-(apologies-to-the-house-of-the-rising-sun)/msg546600/#msg546600
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/my-opinion-of-steve's-flash/msg537101/#msg537101
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-engineering-flash/msg537267/#msg537267
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-full-area-p-exhaust-flash-report/msg537297/#msg537297
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/shoodaben-area-p-flash/msg538289/#msg538289
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/sisf-flash/msg528569/#msg528569
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/review-of-steve's-flash-on-my-2015-c14/msg519736/#msg519736
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve-flash/msg527163/#msg527163
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ecu-flash/msg508797/#msg508797
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/yes-another-'flash'-thread/msg508389/#msg508389
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/initial-impressions-of-the-shoodaben-engineering-flash/msg530466/#msg530466
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/just-got-my-ecu-flashed-from-sisf/msg520089/#msg520089
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/uh-another-flash/msg521295/#msg521295
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/one-more-happy-sisf-flash-customer/msg519454/#msg519454
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/ssif-ecu-reflash/msg500917/#msg500917
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/flash!-right-on!/msg522123/#msg522123
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/thoughts-on-steves-flash/msg506122/#msg506122
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/steve's-flash-wdecel-my-review/msg507826/#msg507826
This one is older, but a good read of behind the scenes:
http://forum.cog-online.org/concours-14-zg1400-general-chat-and-tech/how-steve-flashes-us-behind-the-curtain/msg512094/#msg512094
This is just a portion. Enjoy! Steve