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EMISSIONS INFO





ANAHEIM, CA
714-630-2386
ALLIANCE

YAMAHA YZF R1 SLIP-ONS


These Slip-Ons fit 2007 - 08 models. They feature 304 series stainless steel mid-pipes with swaged inlets (no welds) and exit into 12” dual mufflers. Available with 2.0”, 2.25” or large 2.5” cores. With the muffler lengths being fairly short, sound levels are slightly elevated, but the tonal quality is awesome. The polished muffler body clamps are laser cut from 304 series stainless steel with extruded rubber insulators. Stainless steel T-Bolt clamps is utilized on the mid-pipes and muffler inlets. The mufflers are available in Carbon Fiber or lightweight 304 series Stainless Steel.


WEIGHT SAVINGS

3.5 pounds.


DYNO CHART

This bike was brand new. We put 10 miles on it (on the dyno) before taking our readings. We gained 6.04 hp and 4.19 tq at peak horsepower and torque readings. The chart shows runs with the 2.25" cores. The 2.0" cores put out slightly less from mid range on up to peak. The larger 2.50" cores were very similar to the 2.25", with slightly more mid range and peak power. The power will continue to improve with more break-in miles. The power band was significantly improved as well. Horsepower and torque start increasing from 2800 rpm on up to peak (12600 rpm). There is a torque increase of 10 foot pounds between 3000 – 4000 rpm. From 7000 rpm to 9500 rpm there is an increase of almost 10 horsepower. The stock fuel curve was improved (slightly flatter, slightly leaner), but within specs up to the soft limiter (13650 rpm). The addition of a PC3 with proper map will further optimize performance.
 
Pricing
US$795.00 Carbon Fiber
US$695.00 Stainless Steel


For more information or to order, click here to contact us!