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06-17-2009, 03:34 PM
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#1
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Basic Sponsor 
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Join Date: Dec 2008
Location: Miami
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New IS-F Exhaust by ISS Performance
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ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-17-2009, 05:26 PM
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#2
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Location: Houston, TX
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Typical gains from an exhaust are 20-25 rwhp, what did you guys do differently to achieve 33 rwhp gain? The exhaust looks great from behind, any under car pics?
Peter
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2009 Nissan GT-R Super Silver/Black/Premium
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2009 BMW X5 4.8i
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06-17-2009, 05:31 PM
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#3
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We reduced flow restriction, added an x pipe, created a quad muffler system and the rest just happen.
Thanks
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ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-17-2009, 05:32 PM
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#4
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Here is the Dyno sheet
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ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-17-2009, 09:50 PM
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#5
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one thing i hate about the ISF are the stacked oval exhaust pipes......i like this quad setup a lot better, and the gains are huge!
any under-car pics? or off the car? id like to check it out.
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93 RX7 Brilliant Black
My tombstone will read "I spent 90% of my money on women, cars, and booze. The other 10% I wasted.
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06-17-2009, 10:11 PM
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#6
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__________________
ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-17-2009, 10:12 PM
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#7
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It's a prototype so the finished product is going to be in polished stainless and tig welded. We will also offer a ceramic coated option.
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ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-17-2009, 10:25 PM
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#8
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How is the exhaust note? The stock isf can sound pretty beastly so this must be awesome.
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Your teacher wants you to go slow, and she's wrong because it's the fastest who get paid and it's the fastest who get laid. ~ Reese Bobby
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06-17-2009, 10:33 PM
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#9
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Check this link out. It's not the best video but you can get a good idea of what it sounds like.
http://www.flickr.com/photos/issperf...7619798744647/
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ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-18-2009, 12:10 PM
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#10
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Banned
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Good job guys. Impressive gains.
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06-18-2009, 02:44 PM
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#11
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Thanks Andy. As soon as we finish the final product I'll take it by your shop.
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ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-18-2009, 05:47 PM
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#12
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Here is a video... Not the best but you can hear what the exhaust sounds like.
http://www.flickr.com/photos/issperformance/3639929766/
Some more pics.
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ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-19-2009, 10:44 AM
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#13
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What were the SAE corrected numbers (smoothing 5)? We all know that the STD correction factor artificially inflates the dyno numbers.
Peter
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2009 Nissan GT-R Super Silver/Black/Premium
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. / 7.74 60-130 / 181.7 mph at the TX Mile
2009 BMW X5 4.8i
Premium/Sport/Technology
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06-19-2009, 11:13 AM
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#14
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That's why we're claiming 25 to 30 HP increase. You know under promise over deliver. Not trying to go for the full 33hp shown on the dyno sheet.
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ISS Forged
7341 NW 35th Street
Miami, FL 33122
305-470-1985
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06-19-2009, 01:37 PM
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#15
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So what were the SAE corrected numbers at 5 smoothing...
Peter
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2009 Nissan GT-R Super Silver/Black/Premium
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. / 7.74 60-130 / 181.7 mph at the TX Mile
2009 BMW X5 4.8i
Premium/Sport/Technology
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Tags
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09, cf, exaust, exhaust, exhauts, forged, isf, iss, parts, performance, quad, sae, smoothing, stock, system  |
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