Granatelli Motor Sports Hellcat Trackhawk Drive-By-Wire Billet Throttle Body GMTBSRT108B

Unleash max airflow and throttle response with Granatelli’s 105 mm or 108 mm CNC-machined billet throttle body. Built to handle 25+ psi of boost, this direct-fit upgrade is perfect for high-power Hellcat, Redeye, Demon, and Trackhawk builds. Delivers sharper pedal feel, more airflow, and rock-solid reliability under pressure.

Fitment:

• 2015–2025 Dodge Charger, Challenger, Durango (6.2L SRT / Hellcat / Redeye / Demon)


• 2018–2021 Jeep Grand Cherokee Trackhawk (6.2L Supercharged)

TUNE MAY BE REQUIRED for optimal throttle calibration and drivability.

Granatelli 105/108 mm DBW Billet Throttle Body (Hellcat / Trackhawk)

SKU: GMTBSRT108B

TUNE MAY BE REQUIRED

Unleash the full potential of your supercharged HEMI. Whether you're chasing quicker 60-foot times, sharper throttle response, or simply want your engine to breathe as it should, the Granatelli 105/108 mm Billet Throttle Body delivers uncompromising performance and bulletproof reliability. Built for enthusiasts who demand more from their build, this throttle body is the upgrade your setup’s been begging for.

Key Features & Benefits

• Massive airflow gains: Choose from 105 mm or 108 mm bore sizes—each outflows stock by a wide margin, making it ideal for high-horsepower builds.


• Boost-resistant motor: Engineered to handle 25 psi+ of boost without throttle blade deflection or shutdown—ideal for turbocharged and supercharged applications.


• 6061-T6 CNC-machined billet aluminum: Lightweight, heat-resistant, and tough as nails.


• Plug-and-play fitment: Works with OEM and aftermarket intakes. Some setups may require a sleeve (not included).


• Sharper throttle response: Smoother power delivery, faster acceleration, and immediate pedal feedback—especially under wide-open throttle.

Fitment

• Fits: 2015–2025 Dodge Charger, Challenger, Durango (6.2L Hellcat / Redeye / Demon), and 2018–2021 Jeep Trackhawk


• Compatible with both stock and aftermarket intakes

TUNE MAY BE REQUIRED to optimize performance, throttle mapping, and drivability. Recommended after installation.

If you're done playing with factory restrictions and want real, dyno-proven performance, this is your next step. The Granatelli Billet Throttle Body isn’t just a bolt-on—it’s a bolt-ahead. Paired with proper tuning, it unlocks serious horsepower gains, improved drivability, and that extra edge at the strip or on the street.