DK Custom Products Thunder Torque Inserts 3" & Larger Exhaust Baffle Set - Harley & Indian V-Twin
About DK Custom Products
DK Custom Products parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every DK Custom Products item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
Unlock improved low and mid-range torque from your V-twin with DK Custom Products Thunder Torque Inserts. These baffles are engineered to optimize exhaust flow, delivering a noticeable boost in performance where you need it most. They also offer an adjustable sound profile to dial in your preferred exhaust note.
Why riders pick this
- Boosts low and mid-range torque on V-twin motorcycles
- Increases exhaust gas velocity for better engine breathing
- Adjustable sound profile to fine-tune your exhaust note
- Durable stainless steel with high-temp powder coat finish
- Bolt-in installation, no permanent muffler modification needed
When you're chasing more usable power from your Harley or Indian, exhaust tuning is critical. These Thunder Torque Inserts fit inside your slip-on mufflers, working to increase exhaust gas velocity and inertial scavenging. This process helps your engine breathe more efficiently, translating into a stronger pull off the line and through the gears.
Optimized Performance and Adjustable Sound
- Engineered to boost low and mid-range torque on V-twin engines
- Increases exhaust gas velocity for improved scavenging
- Allows for adjustable sound volume and tone
- Constructed from durable stainless steel with a high-temp powder coat
- Simple bolt-in installation requires no muffler modification
Easy Installation for Immediate Gains
Installation is straightforward, bolting directly into the existing baffle hole in your slip-on muffler without needing any permanent modifications. This makes them an ideal upgrade for riders looking to enhance their bike's performance and sound without extensive shop time. Pair them with an upgraded air cleaner and a proper tune for a complete Stage 1 performance package.
Specifications
- Brand: DK Custom Products
- Manufacturer Part #: DK-TTI-258W
- Length: 8 in
- Width: 5 in
- Height: 1 in
- Weight: 0.6 lbs
- Country of Origin: USA
Common questions
Will these inserts change the sound of my exhaust?
Yes, Thunder Torque Inserts are designed to allow for adjustable sound volume and tone, letting you customize your exhaust note.
Do I need to modify my mufflers for installation?
No, these inserts bolt directly into the existing baffle hole at the end of your slip-on muffler, requiring no permanent modification.
Will these work with my V-twin slip-on mufflers?
These inserts are designed to fit slip-on mufflers with a 3-inch diameter or larger. Always confirm fitment for your specific year and model using our Shop by Bike tool.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | DK Custom Products |
| TYPE | Hardware/Fasteners/Fittings |
| SKU | 880-3048 |
| WEIGHT | 0.6 lb |
