Vance & Hines Quiet Baffle For Pro Pipe Exhaust Systems
Tame Overall Volume Without Sacrificing Signature V-Twin Performance
Enjoy the superior horsepower and torque gains of your Pro Pipe 2-into-1 exhaust system while keeping sound levels comfortable with the Vance & Hines Quiet Baffle. Engineered specifically as a drop-in replacement for Vance & Hines Pro Pipe systems, this quiet insert reduces overall exhaust noise by 2 to 3 decibels (dB). Whether you want to maintain neighborhood peace during early morning warm-ups or reduce fatigue on long highway tours, this baffle delivers a smoother, deeper, and more refined exhaust note.
Crafted in the USA from durable steel and packed with high-density fiberglass wrapping, the Quiet Baffle alters exhaust wave frequency to eliminate harsh, high-pitched rasps without choking your engine’s power output.
Technical Specifications & Product Features
| Feature / Metric | Product Specification | Rider Benefit |
|---|---|---|
| Brand / Manufacturer | Vance & Hines (Made in USA) | Precision fitment designed specifically for Pro Pipe muffler bodies |
| Exhaust Compatibility | Vance & Hines Pro Pipe 2-into-1 Systems | Direct replacement for standard factory internal core baffles |
| Construction Material | Heavy-Gauge Steel with High-Density Fiberglass Packing | Resists blowout and ensures long-lasting decibel dampening |
| Sound Reduction | Lowers Overall Decibel Output by ~2–3 dB | Substantially reduces helmet drone and noise fatigue on long rides |
| Tone Quality | Mellow, Deep V-Twin Bass Rumble | Eliminates loud crackle while keeping a deep rumble |
| Hardware Included | Includes Fastening Bolt | Ready to install directly out of the box |
Performance & Sound Comparison
Preserving Low-End Torque & Engine Backpressure
Unlike simple exhaust restrictors that choke motor performance, the Vance & Hines Quiet Baffle uses a stepped internal tube structure wrapped in high-temp muffling material. This design maintains the tuned backpressure needed for strong low-to-mid range torque response on stock and Stage 1 tuned V-Twin engines. You get a quieter ride while keeping the snappy throttle response the Pro Pipe is famous for.
Sound Level Matrix: Standard vs. Competition vs. Quiet Baffle
- Competition Baffle: Loudest option with open high-flow core; ideal for track and high-RPM performance builds.
- Standard Baffle: Moderate-to-loud exhaust note with aggressive bark under throttle.
- Quiet Baffle: Lowest decibel output (2–3 dB drop); smooth, deep bass frequency tailored for touring comfort.
Step-by-Step DIY Installation Guide
Swapping to the Vance & Hines Quiet Baffle in your Pro Pipe takes about 20 to 30 minutes using standard tools.
Required Tools & Supplies
- 3/8″ Ratchet and socket set or Allen wrenches
- Soft-face rubber mallet
- Slide hammer or pliers (for pulling out existing baffle)
- High-temperature copper anti-seize lubricant
Step 1: Removal of Old Baffle
Ensure the exhaust system is completely cool. Unbolt the single retaining fastener located near the outlet tip on the underside of your Pro Pipe muffler body. Tap or pull the current baffle rearward out of the muffler canister.
Step 2: Preparing the Quiet Baffle
Apply a thin layer of copper high-temp anti-seize to the mounting collar of your new Quiet Baffle. This prevents metal galling and ensures easier removal during future repacking maintenance.
Step 3: Mounting & Securing
Slide the Quiet Baffle into the Pro Pipe muffler body until the threaded mounting nut aligns with the hole in the exhaust shell. Thread in the retaining bolt securely and tighten down.
Frequently Asked Questions
Do I need to re-tune my fuel map after installing the Quiet Baffle?
If you are switching from the standard Pro Pipe baffle to the Quiet Baffle on a stock or Stage 1 motorcycle, fuel tuning is usually optional because total airflow changes are minimal. However, re-flashing your ECU with a tuner like the Vance & Hines Fuelpak FP4 ensures optimal air-fuel ratios and peak engine efficiency.
Does this quiet baffle fit other Vance & Hines exhaust models?
No. This quiet baffle is engineered specifically for Vance & Hines Pro Pipe 2-into-1 systems. Other exhaust families (like Twin Slash, Shortshots, or Hi-Output) require their own dedicated quiet baffle part numbers.
### Order Your Vance & Hines Pro Pipe Quiet Baffle Today
Enjoy a smoother, lower-decibel ride without losing iconic V-Twin rumble. Order the Vance & Hines Quiet Baffle For Pro Pipe Exhaust Systems today with fast US shipping!
