Red Rooster Performance Celesta Pro Slip-On for Jawa 42/ Roadster - RRPCPB/ RRPCPP
Red Rooster Performance Celesta Pro Slip-On for Jawa 42/ Roadster - RRPCPB/ RRPCPP
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The Red Rooster Performance (RRP) Celesta Pro is a high-performance, twin-exhaust slip-on system specifically designed for the Jawa 42 (and 42 2.1) and the Yezdi Roadster.
The "Pro" version is a more compact and aggressive evolution of the original Celesta. While the standard Celesta is longer and more classic in its lines, the Celesta Pro features a shorter canister that provides a more pronounced "growl" and a modern, sporty silhouette.
Variant Codes & Finishes
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RRPCPB (Black Matte): A heat-resistant matte black ceramic coating. This is the preferred choice for the Jawa 42 2.1 and the Yezdi Roadster (Dark) variants to match their factory blacked-out components.
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RRPCPM (Matte Silver): A brushed/satin stainless steel finish. It offers a sophisticated, industrial look that is excellent at hiding minor road grime and scratches.
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RRPCPP (Polish Chrome): A high-luster mirror chrome finish. Ideal for the Jawa Classic or Yezdi Roadster (Chrome) to maintain the heritage aesthetic.
Performance & Technical Specs
| Feature | Specification | Impact |
| Material | SS304 Stainless Steel | Highest commercial grade; completely rust-proof for life. |
| Weight | ~4.8 kg to 5.0 kg (Pair) | Significant weight reduction over the heavy OEM twin silencers. |
| Power Gain | Up to 8-10% Increase | Noticeable improvement in mid-range torque and throttle response. |
| Insulation | Ceramic Wool | Superior to glass wool; retains sound quality and manages heat better. |
Sound Profile: The "Modern Thump"
Jawa and Yezdi engines are known for their high-revving, liquid-cooled character. The Celesta Pro is tuned to add depth to that unique note:
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The "Growl": Unlike the "thump" of a Royal Enfield, the Celesta Pro gives the Jawa/Yezdi a deep, bassy growl that becomes very aggressive as you climb the RPM ladder.
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Refinement: It replaces the slightly "tinny" stock note with a much fuller, more authoritative sound.
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Sober at Cruise: It is designed to be "sober" at steady speeds, ensuring that long highway rides remain comfortable without excessive helmet drone.
Key Compatibility Notes
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Direct Fitment: These are designed as a direct bolt-on pair. They use the existing mounting points and do not require any cutting of the header pipes.
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Model Support: Compatible with the original Jawa 42, the Jawa 42 2.1, the Jawa Classic, and the Yezdi Roadster.
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No Remap Required: The ECU on these bikes can generally adapt to the increased flow of the Celesta Pro, though many riders find that adding a FuelX Pro or a high-flow air filter helps maximize the smoothness of the power delivery.
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Lifetime Warranty: RRP provides a lifetime warranty on the SS304 material against rust and manufacturing defects.
Celesta vs. Celesta Pro: Quick Comparison
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Celesta: Longer body, more muted/refined sound, traditional "classic" look.
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Celesta Pro: Shorter body, louder/racier growl, modern "street-fighter" look.
Pro-Tip: Since these bikes have twin exhausts, ensure both canisters are aligned symmetrically during installation before fully tightening the clamps to maintain the bike's balanced rear profile.
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