Akrapovic Racing Stainless Steel Exhaust System for '06-'10 SXV 4.5 / 5.5.  Will also fit '06-'10 RXV 4.5 / 5.5.

This kit features a titanium can, stainless steel headers, and stainless steel link pipes.

The Akrapovic Racing exhaust with hexagonal muffler is the pentultimate system for Aprilia's SXV 4.5 / 5.5 model. This full system is designed for riders who know how to get the most out of their Aprilia. The advantages can be clearly seen from dyno measurements and the feeling on the racetrack.

The muffler comes equipped with an approved spark arrester.

PERFORMANCE:

Measurements of the Akrapovic RACING system on the APRILIA SXV 450/550 (without muffler insert): Power & Torque: This system allows the motor to breathe fully throughout the rpm range. The most noticeable improvements are the bike’s stronger and quicker response from low revs right up to the top end and the overrev range, where the power increase is even more apparent. The torque increase is similar, only more substantial, so the bike gains torque throughout the entire range, especially in the low end and the mid range.

CONFIGURATION:

The Akrapovic Racing system is equipped with the unique Hexagonal offroad design muffler. The Racing uses titanium exhaust can. The conical header tube is of stainless steel.  It is attached to the conical stainless steel link pipe with a sleeve joint secured with a silicon-shielded spring. The link pipe is attached to the muffler in the same manner. The inlet cap is titanium, while the outlet cap is carbon fiber. The muffler outer sleeve is made of titanium. The system is attached to the bike using Akrapovic carbon-fiber clamps. The system includes an approved spark arrester, which is indicated with a laser engraving on the muffler.