Jekyll & Hyde Performance

Jekyll & Hyde Performance I offer performance upgrades from top vendors such as Under Pressure Performance, Fore, Monster Clutches, Carlyle, Late Model Engines, and Texas Speed.

07/10/2019

Enjoy this vicious slo mo video of the Jekyll & Hyde Performance twin turbo Vette on the Dyno Dynamics Dyno at Alamo Autosports. Late Model Engines RPM Transmissions Maxxecu / Maxxtuning AB Under Pressure Power & Performance

06/29/2019

2011 GS sport with a TSP stage 1 cam, LT headers, and Borla exhaust.

06/13/2019

Had an amazing time with Alamo Autosports learned a ton about the new Maxxecu / Maxxtuning AB. The Underpressure Power & Performance twin 67 setup still going strong up to 8000RPM and still making power. Late Model Engines 427 bolted to a RPM Transmissions TH400/9 inch setup and ProTorque bolt together converter. Weld Racing Wheels Shearer Fabrications

04/25/2019

08 Denali with COMP Cams setup along with supporting mods. Before numbers from a previous tune 376/385 made some much needed fueling and timing changes for a solid 440/426. Drivability is night and day from before as well.

04/20/2019

Don't sleep on it because if you do it will be to late. This Twin Turbo monster equipped with a 4L80E making 1016rwhp will get the job done.

Twin turbo Escalade all cleaned up. Stay tuned for further progress including new converter, trans, and built motor.
04/03/2019

Twin turbo Escalade all cleaned up. Stay tuned for further progress including new converter, trans, and built motor.

Jekyll & Hyde Performance Twin Turbo setup on the 2010 Escalade ESV AWD. Powered by Under Pressure Power & Performance t...
03/16/2019

Jekyll & Hyde Performance Twin Turbo setup on the 2010 Escalade ESV AWD. Powered by Under Pressure Power & Performance twin 61/82R Ball bearing turbos Texas Speed and Performance, LTD camshaft and we will be adding some Injector Dynamics 1050X injectors when they get here next week. We maxed out the injectors quickly and are looking forward to being able to really open it up. Stay tuned for future mods like new stall, trans, and built motor.

03/11/2019
Knocked out MGW shifter install and tune on this clean 2013 1LE Camaro.
03/11/2019

Knocked out MGW shifter install and tune on this clean 2013 1LE Camaro.

03/07/2019
Underpressure Power & Performance

Turbos do it better!. 7 psi. 677/666 💪. Contact Jekyll & Hyde Performance for ordering.

Look at those numbers coming from our first Twin Turbo SS Sedan kit!
These kits went live on our site last week, get yours at:: www.UPPturbo.com

Stock engine.
Stock fuel system with 60# Fuel Injector Connection injectors
Underpressure Power & Performance 3" exhaust
Turbosmart USA wastegates at 7 psi

02/13/2019

Cammed out GTO ready to rock and roll. 💪

Lets start up some pre orders!!! We Will be taking orders all weekend as well. PM for details. Ho Ho Ho! 🎄 🦃
11/22/2018

Lets start up some pre orders!!! We Will be taking orders all weekend as well. PM for details. Ho Ho Ho! 🎄 🦃

2001 Camaro SS #1020 that we installed TSP cam kit/LT headers/ off road Y pipe/ 3.73 gears/ AFR gauge and cluster. Final...
11/19/2018

2001 Camaro SS #1020 that we installed TSP cam kit/LT headers/ off road Y pipe/ 3.73 gears/ AFR gauge and cluster. Final numbers in HP tuners is 461/[email protected] shes at 102% IDC so couldnt push it anymore safely. Injectors will be next mod for sure.💪

Black Friday sale!! $1000 off 11-14 5.0 twin turbo kits! 2 year warranty on turbos and lifetime on piping!
11/02/2018

Black Friday sale!! $1000 off 11-14 5.0 twin turbo kits! 2 year warranty on turbos and lifetime on piping!

Lets get those orders in! Killer deals right here. I have used their kit for over 5 years on my personal car and still r...
11/01/2018

Lets get those orders in! Killer deals right here. I have used their kit for over 5 years on my personal car and still rocking it out to this day. 2 year warranty on turbos and lifetime on all piping.

Very nice 09 C6Z cammed up and ready to rock.
10/24/2018

Very nice 09 C6Z cammed up and ready to rock.

Nows the time to get your new setups! 10 years of knocking it out the park. 💪 PM for pricing. Get a free $30 Jekyll & Hy...
10/16/2018

Nows the time to get your new setups! 10 years of knocking it out the park. 💪 PM for pricing. Get a free $30 Jekyll & Hyde Performance shirt while supplies last.

09 vette equipped with LT headers and ECS 1500 supercharger is making some jam. Maxed out the 60lb injectors with the he...
10/11/2018

09 vette equipped with LT headers and ECS 1500 supercharger is making some jam. Maxed out the 60lb injectors with the help of a boost-a-pump. Stay tuned for more updates on this street beast once it gets bigger injectors and possibly another fuel system. East Coast Supercharging

Order your ProTorque converters through us. This one will match up well with the RPM Transmissions TH400/9inch setup goi...
10/10/2018

Order your ProTorque converters through us. This one will match up well with the RPM Transmissions TH400/9inch setup going in our twin turbo vette. Boost season is here!! 💪

Super excited to be on the Pro Torque vendor list. If its good enough for these top contenders and racing legends its fo...
09/27/2018

Super excited to be on the Pro Torque vendor list. If its good enough for these top contenders and racing legends its for sure good enough for the Jekyll & Hyde Performance twin turbo vette. Contact us for a spec out sheet so we can get your car fitted with record shattering performance parts.

Its here! Custom TH400/9inch setup. Now the fun of putting it in begins. RPM Transmissions
09/24/2018

Its here! Custom TH400/9inch setup. Now the fun of putting it in begins. RPM Transmissions

Never Enuff Performance Intakes laying some dimes for the EGT bungs on the Jekyll & Hyde Performance twin turbo vette. G...
09/15/2018

Never Enuff Performance Intakes laying some dimes for the EGT bungs on the Jekyll & Hyde Performance twin turbo vette. Gonna have all the data via the Maxxecu_usa.

Get your Texas Speed and Performance, LTD ordered today! This gorgeous setup will be going on a 5th gen camaro known as ...
08/30/2018

Get your Texas Speed and Performance, LTD ordered today! This gorgeous setup will be going on a 5th gen camaro known as "Orange Crush". 💪

Maxxecu / Maxxtuning AB showed up today for our Twin Turbo C6. This brand new product looks amazing and stoked to be fir...
08/16/2018

Maxxecu / Maxxtuning AB showed up today for our Twin Turbo C6. This brand new product looks amazing and stoked to be first one with it. Excited to see what we can do with this and not be limited with the stock ECU anymore. We have lots of work to do once the TH400/9 inch setup arrives.

Late Model Engines 427 NA on 93. Should do well with twin turbskies and new RPM Transmissions TH400/9 inch setup. If you...
07/23/2018

Late Model Engines 427 NA on 93. Should do well with twin turbskies and new RPM Transmissions TH400/9 inch setup. If you need a killer setup PM Jekyll & Hyde Performance for details

07/14/2018
Texas Speed & Performance

Amazing job Jason Mangum and Texas Speed and Performance, LTD! Lets get you one of these setups in your ride. PM for details.

This was and epic day! We set the 5th gen and 6th gen heads/cam stock bottom end world records right next to each other at the same time! The 6th gen even has a manual!

Looks to be sold* Money wired tomorrow.* Price drop $7500 gets this bad ass trailer. It will be washed and waxed upon pu...
07/08/2018

Looks to be sold* Money wired tomorrow.* Price drop $7500 gets this bad ass trailer. It will be washed and waxed upon purchase $14k in this trailer. PM for details. 2017 28ft dual 7k axles

06/14/2018

Its alive and leak free! Lets get those orders in! Very affordable twin kits for your R8 V8/V10 or Gallardo. Don't miss out. Pickup and delivery available. Full install and tunes available.

Here we go! R8 V8 or V10 and Gallardo kits ready for ordering.  Full kit with tune included in pricing.  Local install a...
06/13/2018

Here we go! R8 V8 or V10 and Gallardo kits ready for ordering. Full kit with tune included in pricing. Local install as well available or pickup and delivery. PM for details.

Sometimes you get a customer that you just hit it off with and this is one of those. Watching this car evolve has been a...
06/04/2018

Sometimes you get a customer that you just hit it off with and this is one of those. Watching this car evolve has been awesome. This car is a work of art. Fully equipped with Supervettes widebody kit, built 427, triple disc clutch, top mount twin turbo kit, upgraded fuel, 15 inch conversion with custom welds to fit Supervettes kit. Very well done.

Those Kooks headers came in handy. Twin turbo the world! 😂 PM for pricing on a twin turbo kit. 2 year warranty on turbos...
06/01/2018

Those Kooks headers came in handy. Twin turbo the world! 😂 PM for pricing on a twin turbo kit. 2 year warranty on turbos and lifetime on piping.

Never forget the men and women who have served before us.
05/25/2018

Never forget the men and women who have served before us.

Another UPP twin turbo setup about to hit the streets. PM for pricing and options. 2 year warranty on turbos and lifetim...
05/17/2018

Another UPP twin turbo setup about to hit the streets. PM for pricing and options. 2 year warranty on turbos and lifetime on all piping!

05/12/2018

So I did some stock WOT runs with hp/tq calculator in HP tuners. Then I did swap and tuned and redid test. Here are the Hp/Tq gains over stock. I'm at 26 degrees on 93 and will do E85 next. Results by RPM:
3.8k 30/42...4k 35/46..4.2k 31/38..4.4k 61/72..4.6k 74/84..4.8k 89/98..5k 104/109..5.2k 117/118..5.4k 145/141 gains. Texas Speed and Performance, LTD cam kit did great! Stay tuned for E85 gains. Final #s 445/437 to stock 343/394. That's a nice amount across curve!

05/08/2018

Due to having emergency surgery all orders will be suspended for a few weeks for recovery. All current orders have been processed and will be on time unless of course something is out of our control. Look forward to helping new customers in a few weeks and thank you for your understanding.

Love the customer supplied pics and updates. Keep em coming in. Got some S71 fronts and rears with tires for C6 along wi...
05/04/2018

Love the customer supplied pics and updates. Keep em coming in. Got some S71 fronts and rears with tires for C6 along with some viking coilovers. Clean GTO got some new shoes in form of some S77s.

Customer just sent in photo of his completed Carlyle Racing 15 inch rear conversion with beadlocked S77s. Looking great!...
04/26/2018

Customer just sent in photo of his completed Carlyle Racing 15 inch rear conversion with beadlocked S77s. Looking great! Get your orders in!

Operation DOD & VVT delete going well on the Escalade. Should be finished up with exhaust and tune end of next week.  Te...
04/26/2018

Operation DOD & VVT delete going well on the Escalade. Should be finished up with exhaust and tune end of next week. Texas Speed and Performance, LTD cam kit and headers.

The 2010 Jekyll & Hyde Performance Escalade will be getting equipped with Texas Speed and Performance, LTD cam, dual spr...
04/20/2018

The 2010 Jekyll & Hyde Performance Escalade will be getting equipped with Texas Speed and Performance, LTD cam, dual springs, DOD delete, VVT delete, longtube headers, and Y pipe. Lets put together a cam kit for your vehicle!

04/10/2018

That tire wrinkle tho!

04/10/2018

Jekyll & Hyde Performance Under Pressure Power & Performance equipped vette putting the new Late Model Engines. 427 to the test with a easy 1312/[email protected]. (Old setup was 1280/[email protected]) Car will be at the Dallas half mile 14-15 April. Stay tuned for updates once we return for more boost and more power!

Need a new clutch? We got you covered! $125 off all Monster clutches. PM your setup and we can get you going.
04/06/2018

Need a new clutch? We got you covered! $125 off all Monster clutches. PM your setup and we can get you going.

Fore Innovations fuel systems are top notch! Here at Jekyll & Hyde Performance we strive to sell the best products that ...
04/02/2018

Fore Innovations fuel systems are top notch! Here at Jekyll & Hyde Performance we strive to sell the best products that are proven. Need a E85 capable injector? These ID1700X injectors got you covered.

Address

Buffallo Gap Rd
Abilene, TX
79606

Opening Hours

Monday 07:00 - 22:00
Tuesday 07:00 - 22:00
Wednesday 07:00 - 22:00
Thursday 07:00 - 22:00
Friday 07:00 - 22:00
Saturday 07:00 - 22:00
Sunday 07:00 - 22:00

Telephone

(210) 381-8515

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