Suzuki Dirt Bike Shorty Exhaust: Pro Circuit R304 2-Stroke

Pro Circuit R304 Shorty Silencer (Suzuki) – Precision Engineering for Closed-Course Dominance

For Suzuki two-stroke racers seeking an edge in high-intensity competition, the Pro Circuit R304 Shorty Silencer redefines performance with a focus on power retention and durability. Designed exclusively for closed-course racing environments, this compact aluminum silencer delivers unmatched acceleration while maintaining compliance with noise regulations—perfect for track days or circuit events where every horsepower counts.

Engineered for Excellence
Constructed with precision from 6061 T6 brushed aluminum alloy for lightweight strength and 304 stainless steel internals (including intake tube and end-cap), this silencer withstands extreme heat and vibration without compromising performance. The double-walled mounting bracket ensures secure installation while reducing resonance, while Tig/MIG welded seams provide unmatched durability against crash impacts or rigorous use.

Maintenance Made Simple
Easily accessible via hex head screws (Allen key included), the inlet cap allows quick access to the E-Glass packing—a premium material designed for extended service life between rebuilds. This design prioritizes convenience for racers who need to maintain peak performance without sacrificing time on pit stops.

Why Choose R304?
– Performance Gains: Compact design minimizes backpressure while maximizing power delivery in tight corners
– USA Craftsmanship: Built in-house by Pro Circuit’s expert team for consistent quality control
– Longevity: Stainless steel components resist corrosion; T6 aluminum body offers superior strength-to-weight ratio
– Track-Focused Design: Optimized for short-course racing dynamics

Compare & Contrast
| Feature | R304 Shorty Silencer | Competitor Models |
|————————|—————————-|———————————-|
| Packing Material | High-density E-Glass | Standard fiberglass |
| Mounting Bracket | Double-walled stainless | Single-wall aluminum |
| Weight | 25% lighter than stock | Stock OEM weight |
| Warranty | Lifetime structural | 1-year limited |

Whether you’re pushing laps at your local track or competing at nationals, the R304 Shorty Silencer delivers race-winning performance backed by Pro Circuit’s legendary reputation for innovation in two-stroke exhaust systems. Designed by racers, tested under fire—this isn’t just an upgrade; it’s a competitive necessity.