found this on another site...

Stock Exhaust (headers+piping+muffler)
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Total Weight: 22-23.3 lbs
Stock Muffler: 12.3 lbs
Stock Mid-pipe: 1.1 lbs
Stock Headers: 9.0 lbs

Arrow Slip-on (Ti and CF)
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Weight: Ti - 4.5 lbs CF - 4.5 lbs
Weight Savings: Ti - 7.8 lbs CF - 7.7 lbs
Power: +2 rwhp (Dyno - http://www.arrow.it//oggetti/GRH%20H...%20RR%2003.jpg)
Photos: http://www.arrow.it/eng/ricercaprodo...oto.asp?id=609

Arrow Full System
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Weight Info: http://www.arrow.it/eng/ricercaprodo...nfo.asp?id=609
Power: +4 rwhp (Dyno - http://www.arrow.it//oggetti/GRH%20H...%20RR%2003.jpg)
Photos: http://www.arrow.it/eng/ricercaprodo...oto.asp?id=609

Akrapovic Full Ti System (with CF or Ti muffler) www.akrapovic.si
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Weight Savings: 14.5 lbs
Power: +4.5 RWHP@14300 rpms (Dyno sheet on website)
Note: No low end torque?
Price: $1,358.00 (from Kneedraggers.com)


Akrapovic Full SS System (with CF or Ti muffler) www.akrapovic.si
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Weight Savings: 11.2 lbs
Power: +4.5 RWHP@143000 rpms (Dyno sheet on website)
Price: $1100.00 (from Kneedraggers.com)
Photo: http://www.akrapovic.si/main/catalog...vo/exhaust.jpg

Akrapovic Slip On (CF or Ti) www.akrapovic.si
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Weight Savings: 7.1 lbs
Power: +2.6 RWHP@143000 rpms (Dyno sheet on website)
Price: $579.00 (from Kneedraggers.com)
Photo: http://www.akrapovic.si/main/catalog...o/bikeback.jpg

Two Bros Slip On (CF or Ti) www.twobros.com
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Weight Savings: 8 lbs
Power: +3-5 RWHP
Price: $415.00 for all [except C2 and C4 Aluminum - $315.00] (from Kneedraggers.com)
Photos: http://600rr.net/6/ubb.x?a=tpc&s=350...1&m=5196082423 - Thread by Snapshot.

Arata Full Ti System
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Weight Savings: 14 lbs
Power: +7 RWHP. +8 RWHP with PCIII Map. (Info by Dan Kyle. Dyno Chart For Cali bike w/ PCIII- http://pages.sbcglobal.net/mhwang1/D...ceCBR600RR.jpg
Dyno Chart w/o PCIII - http://pages.sbcglobal.net/mhwang1/D...taFullTi-3.jpg )
Price: $1099
Photos: http://www.kyleusa.com/catalog/arata...em_2403137.htm - Courtesy of Dan Kyle

Arata Titanium Slip-on
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Price: $375 (from Dan Kyle www.kyleusa.com)
Yoshimura Full Ti System www.yoshimura-rd.com

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Weight Savings: 13.2 lbs
Power: +7.5 RWHP (Dyno Chart by RRPilot for Cali Bike. Dyno Chart - http://members.***.net/cbr600rr/Stoc...Sys%20Yosh.JPG )
Price: $1725 (from www.yoshimura-rd.com)
Photo: http://members.***.net/cbr600rr/YoshRS-5.jpg - Courtesy of RRPilot

Yoshimura Full SS System
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Weight Savings: 8.5 lbs
Price: $790 (from www.yoshimura-rd.com)

Yoshimura Full SS System (with Ti Muffler)
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Weight Savings: 8.6 lbs
Price: $865 (from www.yoshimura-rd.com)

Yoshimura Slip On (SS Muffler w/ SS piping)
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Weight Savings: 2.16 lbs
Price: $345 (from www.yoshimura-rd.com)
Photo: http://members.***.net/cbr600rr/RS-5...S-5-PreP15.jpg - Courtesy of RRPilot

Yoshimura Slip On (Ti Muffler w/ SS piping)
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Weight Savings: 2.3 lbs
Power: +4.7 RWHP (Dyno Chart - http://members.***.net/cbr600rr/Stoc...lip-onYosh.JPG Courtesy of RRPilot)
Price: $420 (from www.yoshimura-rd.com)

Moriwaki Full "Stage 2" SS System (TI Muffler. Moriwaki Website??)
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Weight Savings: 11.4 lbs
Power: over stock? (Dyno Chart - http://www.bigvalleyhonda.com/racing...0RRFullExh.jpg )
Price: $1050 (http://www.bigvalleyhonda.com/racing/CBR600RR_03.html)
Photo: http://www.bigvalleyhonda.com/racing...Collectors.jpg
http://www.bigvalleyhonda.com/racing...ll-Exh-RR3.jpg

Moriwaki Full "MotoGP" SS System
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Weight Savings: 10.3 lbs
Price: $1289.00
Photo: http://www.bigvalleyhonda.com/racing...ull_System.jpg

Moriwaki Slip On (Ti - Plain or Rainbow)
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Price: $589
Photo: http://www.bigvalleyhonda.com/racing...ull-Exh-LR.jpg

Mig Slip On (CF)
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Price: $799
Photo: http://www.eurobikes.com/images/mig/...cbr600rr-1.JPG

FMF Slip On (Al or Ti)
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Price: Aluminum - $249 Ti - $311
Power: Dyno Chart: http://www.fmfracing.com/dynochartst...20CBR600RR.jpg
Photo: http://www.fmfracing.com/2003/imagev...0BLUE%20TI.jpg

Hindle Slip On (SS Mid Pipe or Ti Mid Pipe. AL/Ti/CF Muffler)
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Price: SS Mid Pipe. Aluminum - $295.00 CF - $484.00 Ti - $350 (from Kneedraggers.com)
Ti Mid Pipe. Aluminum - $350.00 CF - $491 Ti - $407 (from kneedraggers.com)

Hindle Full SS System (Al, CF, or Ti Muffler)
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Price: Aluminum - $574 CF - $714 Ti - $630 (from Kneedraggers.com)
Power: 6-8 hp (stated by Hindle) 8-10 hp for Race System
Weight 8-9 lbs for Race System (depending on muffler)

Jardine Slip On Street (Ti or CF)
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Price: Ti - $370 CF - $365

Jardine Slip On Race (Al, Ti, or CF)
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Price: Aluminum - $220 Ti - $370 CF - $355 (from Kneedraggers.com)

Muzzy Full SS System (Al, CF, or Ti muffler)
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Price: $777 for all [except Al - $582] (from Kneedraggers.com)

Erion Slip On (Al)
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Price: $359 (www.erion.com)

Micron Slip On (Al, SS, CF, Ti)
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Price: $479.95 for all [except Al - $359.95]
Photo: 2nd post down.

Micron Full SS Serpent System (Al, CF, SS, or Ti muffler)
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Price: $1,049.95 for all [except Al - $929.95] +$70 for anondized colors.

M4 Full Ti System (Al, CF, or Ti muffler)
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Weight Savings: 10+ lbs judging by weight of SS full system (muffler type not mentioned)
Power: http://www.m4exhaust.com/pages/honda...03-600rr-d.jpg (M4 website)
Price: Al - $1,167.00 CF - $1,275.00 Ti - $1,248.00
Photo: http://www.m4exhaust.com/pages/honda...03-600rrP3.jpg (M4 website)

M4 Full SS System (Al, CF, or Ti muffler)
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Weight Savings: 10 lbs (muffler type not mentioned
Power: http://www.m4exhaust.com/pages/honda...03-600rr-d.jpg (M4 website)
Price: Al - $852.00 CF - $959.00 Ti - $933.00
Photo: http://www.m4exhaust.com/pages/honda...03-600rrP3.jpg (M4 website) Also pic below.

M4 Slip On (SS Mid Pipe or Ti Mid Pipe. AL/Ti/CF Muffler)
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Weight Savings: 9 lbs but for which pipe? Al, CF, or Ti??
Price: Ti Mid-pipe: Al - $420.00 CF - $528.00 Ti - $499.00
SS Mid-pipe: Al - $366.00 CF - $474.00 Ti - $447.00
Photo: 2nd post down.

D & D Slip On
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Power: http://www.danddexhaust.com/CBR600RR_chart.jpg
Photo: http://www.danddexhaust.com/CBR600RR_CU_Big.jpg
http://www.danddexhaust.com/CBR600RR_Big.jpg

 

Right On Odi,
You Know Thats Good Info

 

just a little info on weights and power gains...I'm sure prices will vary...