EXHAUST
SLIP-ON/ BOLT-ON MUFFLERS
ALPHA
All-new muffler design from Yoshimura R&D
production tolerances
Iconic Tri-Oval muffler design heritage with a revised muffler shape for
R-77
Trapezoid shape muffler sleeve to maximize exhaust flow volume
Straight, single-core baffle
Yoshimura exhaust note
Can accept low-volume sound insert
Muffler features a large diameter carbon fiber end cap and integrated,
Muffler sleeve available in stainless steel, glossy carbon fiber or satin-
finish titanium
Stainless steel or glossy carbon fiber end cap
R-55
Trapezoid shape muffler with a tapered design that mimics the
MotoGP look
R-77D
Straight, single-core baffle
Dual-outlet end cap design
Can accept low-volume sound insert (except titanium-sleeve mufflers)
Trapezoid shape muffler sleeve to maximize exhaust flow volume
Muffler sleeve available in stainless steel, glossy carbon fiber or satin-
finish titanium
Glossy carbon fiber end cap
Stainless steel or carbon fiber end cap
TRC
TRC UNDERTAIL
Tri-oval muffler shape gives a unique style and exhaust note
Dual mufflers for undertail applications (see chart)
Shape maximizes exhaust flow; end cap has ventilation system that
Tri-oval muffler shape gives a unique style and exhaust note
Shape maximizes exhaust flow
Straight, single-core baffle
Can accept low-volume sound insert
Can accept low-volume sound insert
Muffler sleeve available in stainless steel, glossy carbon fiber or satin-
Muffler sleeve available in stainless steel, glossy carbon fiber or satin-
finish titanium
Carbon fiber end cap
To avoid blueing, consider properly tuning the vehicle; however, the vehicle must always remain within the legal standards for emissions controls as
defined by EPA, CARB and any other applicable state laws.
SEE PAGE 6 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
2017 PARTS UNLIMITED STREET