MG ZR x2, Polo, CTR
gotta get me some of these!
Maybe they use the same dyno as k-tec?
http://www.vortex-performance-exhausts.co.uk/raceflo
borrowed from their performance claims page.
[h=2]Vortex Compared with other Exhaust systems[/h]
The test car was a Subaru STi 2005
The Vortex Raceflo was used to replace the rear box of the standard exhaust system and was compared to full cat back systems from the above manufacturers. no modifications were made to the ECT
[h=2]Hot Hatches Improvements[/h]
Tests carried out before and after fitting a Vortex™ muffler into the main silencer with no other modifcations
[h=2]Sports Car Improvements[/h]
Tests carried out before and after fitting a Vortex™ muffler into the main silencer with no other modifcations
Maybe they use the same dyno as k-tec?
http://www.vortex-performance-exhausts.co.uk/raceflo
borrowed from their performance claims page.
[h=2]Vortex Compared with other Exhaust systems[/h]
Exhaust | Power BHP | Vortex is x better | TORQUE NM | Vortex is x better |
---|---|---|---|---|
Vortex | +14 | 25 | ||
Mongoose | +2 | 7x | 1.5 | 16x |
Powerflow | -1 | n/a | 1.5 | 16x |
Janspeed | +2.5 | 5.6x | 3 | 8.33x |
Wolfrace | +1 | 14x | 3.1 | 8x |
Scorpion | +1 | 14x | 2 | 12.5x |
Blue Flame | +0.5 | 28x | 1.6 | 15.6x |
Mangex | -1 | n/a | 2.2 | 6.4x |
Quicksilver | +1.5 | 9.3x | 2.9 | 4.8x |
Pro drive | +2 | 7x | 3.1 | 4.5x |
The Vortex Raceflo was used to replace the rear box of the standard exhaust system and was compared to full cat back systems from the above manufacturers. no modifications were made to the ECT
[h=2]Hot Hatches Improvements[/h]
Exhaust | Power (BHP) | Torque (NM) | ||||
---|---|---|---|---|---|---|
Vehicle type | Before | After | Increase | Before | After | Increase |
Vauxhall Nova 1200 | 119 | 145 | 26 | 95 | 110 | 15 < for SRS?!? |
Vauxhall Astra 1.6 Sport | 174 | 197 | 23 | 228 | 232 | 4 |
VW Golf 1800T | 150 | 225 | 75 | 130 | 240 | 110 |
BMW 120d | 160 | 220 | 60 | 250 | 293 | 43 |
Ford Escort Cosworth RS | 228 | 253 | 25 | 226 | 247 | 21 |
[h=2]Sports Car Improvements[/h]
Exhaust | Power (BHP) | Torque (NM) | ||||
---|---|---|---|---|---|---|
Vehicle type | Before | After | Increase | Before | After | Increase |
Lotus Elise S | 135 | 149 | 14 | 125 | 142 | 17 |
Audi TT | 180 | 240 | 60 | 173 | 248 | 75 |
Mitsubishi EVO 7 | 280 | 305 | 25 | 282 | 323 | 41 |
Subaru sti | 302 | 322 | 20 | 280 | 334 | 54 |
BMW M3 | 410 | 442 | 32 | 292 | 338 | 46 |
Aston Martin Vanquish S | 445 | 471 | 26 | 406 | 454 | 48 |