RON WOODS RACING DUAL SYSTEM
Construction: The Ron Woods Racing exhaust features
a full-length, radius-tapered megaphone with a reverse-cone configuration before entering the muffler canisters.
Large-diameter, 304 stainless steel head pipes are spring-loaded for engine movement. The system is completely
TIG-welded with a brushed-satin finish.
Features: The RWR system drops 9 pounds from the
stock exhaust and can provide up to 10 percent more
horsepower when optimally tuned. It is available with two
different style end caps: one to accept the OEM spark
arrestor and one that is purely for racing.
Contact: www.rotax.net, (949) 645-0393
TRINITY RACING STAGE 5 DUAL SYSTEM
Construction: Trinity’s Stage 5 exhaust headers and mid-pipes are made with fully TIG-welded 304 stainless steel. The
dual mufflers are aluminum, and all brackets and clamps are
6061 billet aluminum.
Features: The Stage 5 claims significant horsepower
and torque gains, and a Dobek-style Trinity Stage 5 tuner
is recommended for optimal performance. USFS spark
arrestors are included. It’s 100 percent made in the USA
and features a five-year warranty. It is available in brushed
stainless or a powdercoated black finish.
Price(s): $949, dual full system; $699, dual slip-ons
TWO BROTHERS S1R DUAL SLIP-ON
Construction: The dual S1R slip-on exhaust system
is made with stainless steel canisters and mid-pipes for
optimal performance and durability. The TBR exhaust
also uses very trick-looking magnesium end caps that cut
weight and last indefinitely.
Features: TBR used extensive testing and race development to design an exhaust that leaves you feeling every
part of the powerband. Even with the USFS-approved
spark arrestor installed, you can expect to drop 4 pounds
and gain 6. 35 horsepower at the rear wheel.
Decibels: 96 dB to 2000 rpm
YOSHIMURA R- 77 SO SS-SS
Construction: The Yoshimura slip-on exhaust is made of
20-gauge 304L stainless steel that is CNC-rolled and robot-welded with a stainless steel end cap.
Features: The R- 77 slip-on is super simple to install and
features a trapezoidal-shaped sleeve for maximum strength.
Premium packing is used to meet USFS noise specifications
while maintaining performance.
Contact: www.yoshimura-rd.com ❏