Click here for Hummer Performance testing data. 

Stage 1  Package up to 25Hp  w/ increased Fuel Mileage !

Stage 1B Package up to 45Hp w/ increased Fuel Mileage !

Stage 2  Package up to 60 Hp w/ increased Fuel Mileage !!

Stage 2B  Package up to 85 Hp w/ increased Fuel Mileage !!!

For 500 HP H2 Bolt-on Package Click Here !!!

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2003 H2 Stage 2 Kit

up to 60 Hp Increase

Mileage Increase 2-4 MPG


  Stock   Ram Induction  

   Kit comes with 2 Towers

   Click here for Hummer Performance Testing Data. 

 

VORTEX RAM AIR INDUCTION SYSTEM  FOR H2

BREATHLESS PERFORMANCE PRODUCTS-  This vortex rammer kit  replaces the restrictive stock air box assembly.  Look closely at the filter and note that this is not the K&N filter that everyone sells.  This revolutionary lifetime air cleaner contains an internal vortex velocity stack.  It obtains cool pressurized air from the side fender and through our revolutionary custom Induction Towers.  Our specially designed induction towers takes cool air from over the top of the hood, through our stainless steel mesh opening then forces it into our rammer  box, where in turn, it directly injects cold air into your intake.  (Lowering Manifold Air Temperature by almost 20 Degrees) This system can be used with or without the custom ram towers. Benefit of the towers are to force additional cool air from above the hood into the air box.

Silicone couplers come in assorted colors: Blue, Red or Yellow

Remember, cold air means more power. 

   Click here for Hummer Performance Testing Data. 

Breathless Performance Products’  Ported & Flowed Throttle Body increases CFM flow to match your performance upgrades. Each unit is hand ported, Cleaned, then flowed to over 940 CFM. A must once mods are done to your car. HP increase depending on mods range between 6-15 HP.

A core charge of $300 would be applied and would be refunded upon receipt of you stock unit within 14 business days.

COOLANT  BY-PASS KIT

Breathless Performance Products – Your factory unit passes coolant through the throttle body, thus produces less horsepower.  Our coolant By-pass (item# 200-216) kit eliminates the passing of the coolant through the throttle body, which keeps incoming air temperature cooler and provides more horsepower.

NOTE:    Colder Days produce faster cars.   

Install only on a cold engine....

Underneath the throttle body there are 2 coolant lines, one comes from the radiator and the other from the intake manifold. Remove the lines that enter the throttle body and mate them together with the bypass tube.

Computer Programming

  20-35 Hp Gain

4 to 6 tenths faster in the 1/4 mile

Quicker and More Positive Shifts

Shift points to 6,000 RPM

No Speed Limiters

Night and Day Difference in Performance !!!

STATE-OF-THE-ART CUSTOM FLASH Programs using the most sophisticated computer and dyno equipment for providing optimum HP for your performance GM vehicle. Starting with GM’s multi-million dollar computer program, enhancements are made by accessing the vehicle's VIN numbers or computer broadcast code letters to obtain the exact programming that was designed for your vehicle. We use this original file and modify it to your specifications. There are no on the shelf chips, flash programming is custom per vehicle.

Variables to adjust include FAN TEMPERATURES, IDLE POINTS, AIR/FUEL RATIOS, IGNITION CURVES, KNOCK CONTROLS, TRANS SHIFT POINTS AND MORE. 
For customers out of state, the professional team of computer technicians, having years of racing experience, are on duty to assist with any questions concerning vehicle performance and can explain how to gather vehicle information necessary at full and part throttle to forward to Breathless Performance Products for producing a program that will provide the maximum HP attainable. 
Differences include Gear ratios, Emissions, High or Low altitude, Electronics and Delivery Points. GM differentiates these by broadcast codes.

 

 

 

172/178 Degrees High Flow Thermostat

Hummer H2

BREATHLESS PERFORMANCE PRODUCTS-  Our specially designed high flow thermostat replaces your stock 192 degree unit. Prolong engine life and increase HP by lowering you engines operating temperature

Remember, cold water temp. means more power. 

Kit comes complete with housing and thermostat.

2003 Hummer H2 8.5 Spark Plug Wires

MSD 8.5 Super Conductor spark plug wires.

* 40-50 ohms per foot of resistance

*High EMI suppression abilities

* Tough silicone/synthetic sleeve

* Durable, extra thick plug boots

* Dual Crimp terminals grip the wire and conductor\

2003 Hummer H2 Beru Silverstone Performance Spark Plugs

Stop playing around with spark plugs that feature fine wire electrodes, split electrodes, ring electrodes, multiple electrodes, platinum electrodes, copper electrodes or gold electrodes and get serious with silver electrode! Silver is the best electrical and thermal conductor of any metal. This makes Silverstone Beru the best spark plugs in the world. Period!

* Silver Center Electrode

* Up to 137% More Spark Power

* Increased Horsepower

* Cleaner Combustion

* Long-Lasting

* Race-Proven Design

* Top-Quality Materials

* Outperforms All Other Spark Plugs

 

 

Breathless Performance Signature Series Bassani Dual Exhaust for the H2 Hummer was designed to give a deep powerful tone without sacrificing cabin noise resonance. Flow is greatly increase which in turn produces greater horsepower and fuel economy. All this while giving you the awesome tough look of the dual Stainless Steel tips, one tip at each end of the H2.  The entire system is made of stainless steel. Don't be fooled by the others that offer you a muffler shop type bend in the pipes which result in crimped tubes that reduce flow. Our system is all mandrel bent with state of the art equipment and has a lifetime warranty.

Or

CORSA's revolutionary, patented exhaust system is now available for your H2 Hummer.  Our Power-Pulse RSC™ technology (Reflective Sound Cancellation) cancels out unwanted sound waves (or frequencies) and eliminates annoying 1500-2200 rpm interior resonance -- giving you the quiet interior ride you've dreamed about.

 Stage kit 2 comes with:

Black box, Polished Coupler Tube and 2 Color Matched Induction Towers

Throttle Body

Coolant Bypass Tube

178 Thermostat

Custom Computer Programming

MSD Wires

Beru Performance Spark Plugs

Choice of Bassani or Corsa Exhaust (Sport Version touring version 100.00 extra)

 

Kit Item # 400-4060        Price $2,200.00

 

 


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