WAKE UPYOUR HEMIUNLEASH HELL.
Mopar swaps only.
Custom calibrations for 5.7, 6.1, 6.4, and Hellcat HEMI platforms. Stock or fully built — I dial in your Mopar for power, drivability, and ruthless throttle response.
What I dial in.
Mopar swaps only. From daily-driven 5.7s to fully-built Hellcats — every tune is custom, logged, and verified.
Stage 1 Performance Tune
Entry-level Mopar HEMI tune — bolt-ons friendly.
Stage 2 Performance Tune
Mid-stage tune for CAI, exhaust, and headers.
Stage 3 Performance Tune
Advanced cam, heads, and supporting mods.
Stage 4 Performance Tune
Full-build, forced induction, race fuel.
Same-Day Service
Bring your vehicle in and drive it home dialed-in the same day.
48-Hour Turnaround
Ship your PCM or vehicle — flashed, tested, and back out the door within 48 hours.
The tools. The platforms.
Mopar only — no GM, no Ford, no imports. HEMI and HEMI-swapped builds done right with real tools, real logs, real verification.
If it's a Mopar, I tune it.
- ▸5.7 Eagle
- ▸5.7 NGC
- ▸6.1 SRT
- ▸6.4 392 / Apache
- ▸6.2 Hellcat
- ▸Redeye
- ▸Demon
- ▸TrackHawk
- ▸Grand Cherokee SRT
- ▸Wrangler 3.6 / 6.4
- ▸Ram 1500 5.7
- ▸TRX 6.2
- ▸HEMI swap calibrations
- ▸Gen III HEMI standalone
- ▸Trans controller pairing
- ▸Donor-PCM unlocks
Built for Mopar only.
HEMI, SRT, Hellcat, TRX, and Jeep. No GM. No Ford. No imports — Mopar swaps only.
Dodge Challenger / Charger R/T 5.7
- ▸E85 conversion
- ▸Long-tube headers
- ▸Cam packages
Charger / Challenger SRT 392
- ▸Heads / cam
- ▸Pulley + tune
- ▸Race fuel maps
Hellcat / Redeye / Demon
- ▸Pulley + tune
- ▸Methanol injection
- ▸Built fuel system
Chrysler 300C / 300 SRT
- ▸Cam install
- ▸Headers + tune
- ▸Trans tuning
Dodge Magnum R/T / SRT8
- ▸Cam packages
- ▸Headers + tune
- ▸E85 conversion
Ram 1500 5.7 HEMI
- ▸Tow tunes
- ▸Cat work
- ▸Trans firmness
Ram TRX 6.2 Supercharged
- ▸Pulley + tune
- ▸Headers
- ▸Race fuel maps
Durango R/T / SRT / Hellcat
- ▸Pulley + tune
- ▸Cam install
- ▸Trans tuning
Jeep Wrangler / Gladiator 3.6 / 6.4 HEMI swap
- ▸HEMI swap calibration
- ▸Re-gear tunes
- ▸Tire-size cal
Jeep Grand Cherokee SRT
- ▸Cam install
- ▸Headers + tune
- ▸Trans tuning
Jeep Grand Cherokee TrackHawk
- ▸Pulley + tune
- ▸Methanol injection
- ▸Built fuel
Don't see your platform? Reach out — odds are it's been tuned here.
CONTROL THE BRAIN,
CONTROL THE BEAST.
The PCM is where every HP, every shift, every spark lives. Tune By Todd offers full powertrain control module services — from unlocks to repair to mail-in flashing.
PCM FLASH & PROGRAMMING
Full PCM reflash for 2003+ HEMI platforms. HP Tuners & SCT supported.
- VIN-locked & open license
- Crypt level 3+ supported
- Stock backup included
PCM UNLOCK SERVICE
Mail-in unlock for late-model Gen 5 PCMs. Quick turnaround, no core charge.
- 2019+ Ram, Charger, Wrangler
- 48-hour bench time
- Return shipping included
PCM EXCHANGE
Need a pre-programmed PCM shipped to you? We stock unlocked, ready-to-flash modules.
- Tested + benchmarked
- VIN matched on request
- Same-day shipping
PCM REPAIR & CLONING
Diagnose dead PCMs, clone good calibrations onto donor units, fix communication faults.
- Bricked PCM recovery
- Donor cloning
- CAN bus diagnostics
Real numbers.
Real dyno.
* Gains vary by mods, fuel quality, ambient conditions, and condition of the engine. All tunes are custom and verified through datalogs.
REAL NUMBERS.
NO BS.
Average gains pulled from customer Mustang Dyno sessions. Your numbers will depend on mods, fuel, weather, and how aggressive you want to run.
DRAG THE SLIDER
See exactly what a Tune By Todd build does to your stock numbers. Slide left for factory, right for tuned.
From stock to savage.
Book Your Slot
Tell me your platform, mods, and goals. I confirm within 24h.
On-Site Tuning
Mobile service — I bring the laptop, cables, and dialed setups to your driveway.
Datalog & Verify
Pulls, logs, AFR sweeps. We don't leave until it's dialed.
Lifetime Revisions
Add mods later? Send a log. I'll re-flash you back to perfect.
REAL RESULTS, REAL OWNERS
Verified results from HEMI owners across the Southeast.
"Picked up 47whp and the throttle response is night and day. Todd dialed in my E85 tune perfectly — pulls like a freight train now."
QUESTIONS?
Real answers from the shop. Don't see what you're looking for? Hit the booking form and ask.
Reserve your tune slot.
Send details about your build. I'll review, confirm pricing, and lock in a date — usually within 24 hours. Mobile service available throughout the Atlanta metro.