So you want exhaust but don't know where to start? This may answer some questions.
FYI - All prices are in USD, you may be able to find the exhaust you want cheaper than the links below. EBAY is always a good place to look.
TORS (
Triumph
Off-
Road
Silencers)

Available from: You local Triumph dealer. Part# A960828
Cost: $500
Weight savings: 0.3kg
Performance gain: 5hp
Tune needed: TORS tune from dealer or Tuneboy tunes 20102, 20103, 20112, 20128, 20174, 20170 or 20088 depending on bike year, VIN# and other mods.
Sound/vid clip:
Download
Arrow 3 into 1

Available from: Triumph Part# A9600195
Cost: $1300
Weight savings: 8kg
Performance gain: 3hp?
Tune needed: Arrow tune from dealer or Tuneboy tunes 20133, 20134, 20131, 20132, 20181, or 20182 depending on VIN# and other mods
Sound/vid clip:
HERE
Arrow Dual Hi-Mount CF/Ti

Available from:
Red Racing
Cost: $800-900 with arrow mid-pipe
Weight savings: ~5kg
Performance gain: ~4hp
Tune needed: Unk
Sound/vid clip:
HERE
Chain Reaction Moto (Old Squids) - Half system replacing mid pipe, with full system in the works.

Available from:
Chain Reaction
Cost: $850 for half system, ($40 for optional baffels)
Weight savings: 10.5lbs
Performance gain:
Tune needed: TORs tune from dealer or Tuneboy (Custom tune coming soon)
Sound/vid clip:
Leo Vince

Available from:
Leo Vince USA
Cost: $598-782 depending on material
Weight savings: Unk
Performance gain: Unk
Tune needed: Unk
Sound/vid clip:
Video
Write up:
HERE
MIVV

Available from:
Carpimoto (Other styles available at Carpimoto.
PJ's Parts)
Cost: $383 from PJ's
Weight savings: 4.1 kg
Performance gain: 7hp and 6 ft-lbs per
Carpimoto's dyno chart
Tune needed: Unk
Sound/vid clip:
CLIP
Write up:
HERE
Trident/Wolf

Available from:
New Speed 3
Cost: Slip-ons:$750 CF, $645 SS
Weight savings:
Performance gain: Claimed 7 hp with slip-ons, 12 hp with half system (130hp if DVS's tuning plan is followed!)

Tune needed: TORs will work. Tuneboy users can use
THIS after removing pre-cat and SAI!
Sound/vid clip:
HERE - Thanks to S3rider for the link.
Eagle
Single:

Dual:

Available from:
HERE
Cost: ~$400 single, $675 dual
Weight savings: 7kg claimed
Performance gain: 7hp claimed
Tune needed:
Sound/vid clip:
Barracuda
Available from:
SMF Cycles
Cost: $340-740 depending on single or dual, and material
Weight savings:
Performance gain:
Tune needed:
Sound/vid clip:
Renegade
Available from:
Cost:
Weight savings:
Performance gain:
Tune needed:
Sound/vid clip:
HERE
Blue Flame

Available from:
Blue Flame
Cost: $585-1005 depending on material
Weight savings: 7.2lbs
Performance gain: 6-7hp?
Tune needed: TORs is very close
Sound/vid clip:
HERE
APTech's Blue flame Evo Ti
Micron

Available from:
Pipe City
Cost: $709-910 depending on color and composition
Weight savings:
Performance gain:
Tune needed:
Sound/vid clip:
Jardine

Available from:
New Speed 3
Cost: $399 (aluminum) $650 (CF)
Weight savings: 7.5 lbs
Performance gain: 5 hp claimed
Tune needed: TORs
Sound/vid clip:
Two-Brothers

Available from:
Pipe City
Cost: $371 (Al) $465 (CF or Ti)
Weight savings: ~7kg
Performance gain: 7+hp with correct tune
Tune needed: TORs works well enough but Kartstar recommends
THIS after removing pre-cat and SAI to really uncork it!
Sound/vid clip: Coming soon.
Staintune

Available from:
New Speed 3
Cost: $849
Weight savings: Unk
Performance gain: 9hp claimed
Tune needed:
Sound/vid clip:
Shark
Single:

Dual:

Available from:
http://www.delvabikes.be/
Cost: $540 for SS, $919 for Dual CF
Weight savings: Several lbs
Performance gain:
Tune needed: Tuneboy
20088tune_dyno39 has been found to work very well.
Sound/vid clip:
Here and
Another(Thanks Briank)
Zard
Full system:

Slip-on:

Available from:
Zard America
Cost: Starting at $500 for can, $900 for full system.
Weight savings: ~7lbs
Performance gain:
Tune needed: TORs will work, or this tuneboy tune:
HERE (unzip to use)
Sound/vid clip:
HERE
Bos

Available from:
BOS Exhaust Systems
Cost: $650 (aluminum) $840 (carbon)
Weight savings:2.8kg
Performance gain: ~4hp
Tune needed:
No Clip found
GPR

Available from:
GPR
Cost:
Weight savings:
Performance gain:
Tune needed:
Sound/vid clip: (Downloads)
#1 #2 #3
Devil

Available from:
Devil Bike.com
Cost: $799-899 depending on style and material
Weight savings:
Performance gain: ~3-5hp claimed
Tune needed: None, but tuning is recommended
Sound/vid clip:
Here
Remus Power Cone

Available from:
British Customs
Cost: $559
Weight savings:
Performance gain:
Tune needed:
Sound/vid clip:
GIANNELLI

Available from:
Predator Exhaust
Cost: $
TBD
Weight savings: "significant"
Performance gain: 3.6hp claimed
Tune needed:
Sound/vid clip:
G&G

Available from:
G&G
Cost: Inquire at
info@gegbike.com
Weight savings:
Performance gain:
Tune needed:
Sound/vid clip:
D&D
Available from: Coming soon!
Cost:
Weight savings:
Performance gain:
Tune needed:
Sound/vid clip:
No longer available or no information found:
Akrapovic, SIL Motor, ART, Progun,
Still working on filling every thing in. If I missed something, screw up, or you have something I am missing post up!
Thanks!
Lots of exhaust pics here!
[ This message was edited by: dfib on 2007-07-04 19:41 ]