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 SILENT SPORT
ALLIANCE
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KAWASAKI NINJA 250R FULL SYSTEM
| Fits 2008 model. Features multi-stepped 304 series stainless steel head pipes integrated to a 2 - 1 merge collector. This is followed by additional stepped and tapered tubing changes exiting into a 12" carbon fiber muffler with 2.0" core and turn down tip. High velocity with continued expansion on smaller displacement engines is critical to increasing power. Optional Stainless steel muffler is available as well. Huge power increase over OEM and/or Slip-On muffler. The polished muffler body clamp is laser cut from 304 series stainless steel with extruded rubber insulators. A stainless steel T-Bolt clamp is utilized on the muffler inlet. Optional Quiet Muffler - 18" muffler with 1.75" core (Carbon Fiber muffler is 18", Stainless Steel muffler is 17"). Significantly quieter than the standard muffler. Carbon Fiber muffler assembly adds back 1 lb (6 lb weight savings overall). Stainless Steel muffler adds back 2 lbs (5 lb weight saving overall). Overall power is very similar to the standard muffler and actually runs slightly richer. We do recommend rejetting for best performance and carburation. Please specify "Optional Quiet Muffler" when placing orders. Price slightly higher as noted below. |
Static sound readings:
| Idle | 5000rpm | |
| Standard muffler (12" long, 2.0" core) | 90 dbA | 105 dbA |
| Optional muffler (18" long, 1.75" core) | 83 dbA | 95 dbA |
DYNO CHART
 | Large increase in power averaging over 18%. At peak, there is a 28% increase in power. Power increase starts immediately from 2500 rpm and carries through peak at 12500 rpm, which is over 2000 rpm higher than the OEM exhaust. Very linear on both hp and tq. The stock fuel curve was slightly wavy from lean to rich on this particular test bike, but still within acceptable specs. Chart shows results with the standard muffler. The optional quiet muffler has very similar results. After testing several other production bikes, we recommend Dynojet kit # 2193 or Factory Pro kit (or similar) to help optimize the fuel curve and further increase power, as the production bikes do have a tendancy to run lean in the low/mid range especially. |
US$480.00 Optional Long Quiet Stainless Steel
US$495.00 Standard Carbon Fiber
US$450.00 Standard Stainless Steel
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