DK Custom Products Thunder Torque Inserts for 1" Diameter & Larger Slip-Ons - Pair
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.
DK Custom Products Thunder Torque Inserts are bolt-in exhaust modifications for V-twin motorcycle slip-on mufflers. These patented devices alter gas flow to increase low and mid-range torque, providing a more responsive and powerful riding experience.
Why riders pick this
- Stainless steel 5/16" studs for strength
- High-temp powder coat finish
- Increases low and mid-range torque
- Adjustable exhaust sound and tone
- Bolts directly into slip-on baffle hole
Unleash the full potential of your V-twin engine with a pair of DK Custom Products Thunder Torque Inserts. Engineered with patented technology, these inserts are designed to enhance exhaust gas velocity and inertial scavenging, directly translating to improved low- and mid-range torque. This means stronger acceleration and a more satisfying power delivery right where you use it most on the street or highway.
Tunable Sound and Power
- Constructed from durable stainless steel with 5/16" diameter studs
- High-temp powder coat finish for long-lasting performance
- Significantly increases low and mid-range torque output
- Increases exhaust gas velocity for better scavenging
- Adjustable sound volume and tone to match your preference
Seamless Bolt-On Upgrade
The Thunder Torque Inserts are designed for straightforward installation into your slip-on mufflers. They utilize the existing baffle bolt hole, making them a true bolt-on upgrade without the need for welding or complex modifications. All necessary hardware is included, ensuring you can quickly and easily enhance both the sound and performance of your Harley-Davidson or Indian Motorcycle.
Specifications
- Brand: DK Custom Products
- Manufacturer Part #: DK-TTI-118W
- Length: 8 in
- Width: 5 in
- Height: 1 in
- Weight: 0.25 lbs
Common questions
How do I install the Thunder Torque inserts?
They bolt directly into your slip-on muffler's baffle bolt hole using the included hardware. No modifications or additional holes are needed, making installation simple.
Can I change the sound of my exhaust with these inserts?
Yes, the Thunder Torque Inserts allow for adjustable sound volume and tone. You can experiment with different setups to find your preferred exhaust note.
What type of mufflers are these designed for?
These inserts are designed for V-twin motorcycles with slip-on mufflers that have a baffle bolt hole and accommodate 1-inch diameter or larger inserts.
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 | 880-3044 |
| WEIGHT | 0.25 lb |
