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03-10-2009, 12:20 PM | #1 |
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RPI Full GT Exhaust Review/Dyno
I got my RPI Full GT Exhaust installed last Saturday before the VRS meet.
Overall, I am very impressed with the exhaust's performance, the quality of the product, and RPI's customer service. I have no regrets. I did a pre and post install dyno, and the results were very good. My base line was 327hp and the car was bone stock. My post install dyno was 351hp. Performance wise, the car pulls harder thoughout the power band. I feel more torque, and the car doesn't have that "heavy" feeling that it once had. I don't know if anyone would believe me, but while driving to the VRS meet, I took the toll roads from Yorba Linda, the car felt more to the ground, the car felt more stable. I'm guessing it's the lighter weight, maybe it's my imagination. I'm sure all the socal peeps know that drive, it's pretty curvy with elevation changes, with open highway. Sound wise, I like it. It is loud. To describe what it sounds like, I think it has 2 tones to it. It has that deep low tone at take off/low rpm, then a higher pitch a little bit raspy scream at WOT, and there is little drone. Personally, I think it sounds better in person. The week before the install, I had my buddies hear the exhaust from the Youtube clips, and one of them didn't like it. That changed when he heard it in person that day, and says the clips don't do justice. I recommend this to anyone who's a performance enthusiast, an attention whore (you will get stares), and those who don't mind random competition from other drivers. It has made my driving more fun. Props to RPI. Here is the dyno. |
03-10-2009, 12:29 PM | #4 |
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03-10-2009, 02:28 PM | #6 |
JOSH SHOKRI.
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Drives: 991 GT3RS, 964, Raptor
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I witnessed it all...
Eloy dynoed the car stock, threw it on the lift, reversed onto the dyno. Now that is some real power.
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Current: 16 991 GT3RS , 91 964 C2, 17 Raptor | Past: 2015 991 GT3, 2015 i3,15 YMB F80 M3, 13 E92 M3 DCT, 08 E92 M3 6MT, 07 E60 M5, 02 E46 M3
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03-10-2009, 03:22 PM | #7 |
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Dont let people tell you that the "car needs to learn" or that the "ecu needs to reset". Im always suspicious when I put a mod on my car and when I dont see the numbers I want, they tell me that there is a learning period. If the part is going to make power, youll see it, esp when its a hardware change. Now, does the ecu learn? Yes, but its not drastic like some people might think. For example, we usually see the power gains after the first 2-3 dyno pulls.
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03-10-2009, 03:47 PM | #8 | |
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Awesome gains and it sounds like an awesome package both quality and price wise! PM Sent |
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03-10-2009, 05:20 PM | #9 |
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03-10-2009, 06:52 PM | #10 |
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03-10-2009, 07:05 PM | #11 | |
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03-10-2009, 07:13 PM | #12 | |
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03-10-2009, 08:42 PM | #14 |
"Makin It Happen-West Coast Style"
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For you.....
"2 MEEEEELLION DOLLARS" but that includes Dyno and install! It doesn't matter what it costs. It's worth it. Holla!
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08 BMW E93 6MT Jerez Black|HAMANN-ed|Lots of Carbon Fiber|Eibach E-93 Sprgs|Advan RS-D's 19x9+22/19x10+20|AA-SSK-Pulley|RPI Scoops-Red|RPI Axle Back Exhaust- Blacked Out Tips|Hamann Rep CF Lip-Diffuser-Trunk Spoiler||Hamaan Badging
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03-10-2009, 09:27 PM | #15 |
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03-10-2009, 11:55 PM | #16 | |
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03-10-2009, 11:57 PM | #17 |
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03-11-2009, 12:40 AM | #18 |
yodog
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+1 except i'm not from south florida
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2009 E92 M3 | Alpine White | Black Extended | Advan RS | Turner Test Pipes | Dinan Axle-Back | OETuning | Eibach Springs | UUC SSK | VRS Front Lip | VRS Type I Diffuser | Matte Black | RPi Scoops | MS Filter | Yokohama AD08 | F1 Pinnacle Special Thanks: Gintani | OETuning | eAs |
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03-11-2009, 12:44 AM | #19 |
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Actually just got word my exhaust is ready and waiting, damn that was FAST!
My car is sitting without its diff though, waiting for it to come in. |
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03-11-2009, 03:05 AM | #20 |
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When just revving normally (2.5-3k rpm), is it loud enough to where cops would pull you over?
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2009 E92 M3 | Alpine White | Black Extended | Advan RS | Turner Test Pipes | Dinan Axle-Back | OETuning | Eibach Springs | UUC SSK | VRS Front Lip | VRS Type I Diffuser | Matte Black | RPi Scoops | MS Filter | Yokohama AD08 | F1 Pinnacle Special Thanks: Gintani | OETuning | eAs |
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03-11-2009, 03:06 AM | #21 |
yodog
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Sticky, when you get the new diff and exhaust please go to the drag strip again and see what times you get
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2009 E92 M3 | Alpine White | Black Extended | Advan RS | Turner Test Pipes | Dinan Axle-Back | OETuning | Eibach Springs | UUC SSK | VRS Front Lip | VRS Type I Diffuser | Matte Black | RPi Scoops | MS Filter | Yokohama AD08 | F1 Pinnacle Special Thanks: Gintani | OETuning | eAs |
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03-11-2009, 03:13 AM | #22 |
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