SUBARU PRODUCT FOCUS - ENGINE

 

POWER PACKS

Engine Management Upgrade

 

Air Filters - K&N Panel Filter

Air Filters - K&N 57i Induction Kit

Air Filters - Blitz SUS Intake System

Air Filters - POWER Induction Kit

 

Silicone Hose Sets - Samco Hoses

 

Tuning Accessories - Magnecor HT Lead Set

Tuning Accessories - PFR7B Spark Plugs

Tuning Accessories - Bailey Dump Valve Kit

Tuning Accessories - Forge Dump Valve

Tuning Accessories - Blitz Blow-Off Valve

 

Alloy Products - Water Header Tank

Alloy Products - Washer Tank

 

Speed De-Limiter

 

Don't forget nearly all our products can be ordered online through our Online Shop!

 

 

 

 

Our extensive experience with the Impreza has enabled us to develop a range of "Power Packs". Products that complement each other are combined into Power Packs to offer you the maximum power and performance upgrade for the minimum outlay. All costs including parts, fitting and labour are included in the price. Before and after dyno runs are also recorded to show the improvement.

 

 

 

News: We are now able to carry out our Power Packs for the 2.5ltr versions of the Impreza. Please call for details.

 

 

 

 

 

1999 Model Year onwards

EcuTek remapped ECU

T75 back box

K&N panel filter

 

Price: Please call for details

 

 

As part of this Power Pack, the car's engine management is remapped using the infamous EcuTek tuning tools, which results in impressive performance gains when combined with the included performance exhaust and K&N air filter. You can expect gains of 30 bhp and 35-40 lbs/ft of torque. The T75 back box is a high quality stainless steel part, and as it is modular it can be used with most exhaust upgrades you may wish to add at a later date (or with a standard system). The K&N panel filter offers the high performance and long lasting air filtration properties that you expect of a K&N product.

 

 

 

 

 

1999/2000 Model Year

EcuTek remapped ECU

T75 back box

Magnex downpipe

Power Engineering Induction Kit

 

Price: Please call for details

 

 

 

 

This Power Pack adds the Magnex downpipe to the performance package. Also fabricated from high quality stainless steel, the addition of this part offers a dramatic improvement in low rpm torque, as well as a small increase in power. Also added is the Power Engineering Induction Kit, which utilises a K&N cone filter and special adaptor ring to improve airflow and power.

 

 

 

 

 

2001 Model Year onwards

EcuTek remapped ECU

T75 full exhaust system including sports catalytic converter

Stainless Steel De-Cat Up Pipe

 

Price: Please call for details

 

 

 

 

For newer models this version of Power Pack 2 adds the full Power Engineering T75 catalyst exhaust system to the package, along with a de-cat up pipe. This is the top spec. package for the new age Impreza and results in serious power and torque gains.

 

 

 

 

 

1999/2000 Model Year

EcuTek remapped ECU

T75 sports catalytic converter

T75 rear box

Magnex downpipe

Power Engineering Induction Kit

 

Price: Please call for details

 

 

 

 

Power Pack 3 adds the Power Engineering sports catalyst centre section to the package. The full CAT system is a high quality stainless steel system, gas-flow rated at 400bhp. It is made up of a twin dump front pipe, centre section with CAT and a rear box, and comes with a lifetime warranty (CAT excluded).

 

 

 

 

ENGINE MANAGEMENT UPGRADE

 

 

 

Many conversions available in the UK are either a crude boost clamp and bleed valve, designed to fool the ECU into thinking that it is seeing standard boost or copies of Japanese software alterations.

 

The problems are that with a boost clamp it is impossible to alter boost, fuel and ignition settings and if the boost is raised then the ECU delivers fuel and ignition settings for standard boost, i.e. too far advanced and too little fuel. A crude and dangerous upgrade. With the Japanese settings the car is set to run 100 RON fuel. Also Japanese tuners are not too concerned about torque and driveability. They want one thing only: power. Also consider that a bleed valve removes the ECU's ability to control boost. Under normal conditions, should the ECU encounter a fault condition with one of its critical sensors, it will drop the boost significantly to preserve the engine until the problem is resolved. With a crude boost clamp, the ECU is no longer in control of boost and so cannot drop boost. The potential result is severe engine damage.

 

 

For 97-98 UK model cars, we use an additional board which fits into your ECU and allows us access to the complex software inside. For 99-06 model cars, we use EcuTek software to reprogram your ECU via the diagnostic port of the car. Power Engineering worked closely with EcuTek to develop this software, and as a result are the most experienced tuners to have this facility.

 

We retain all the car's clever electronics but re-map ignition curves, fuel maps and the closed loop boost control system. The ECU remains programmable so if in the future something needs to be changed then we can. The car will retain all of its civilised characteristics and legal emissions.

The only way to tell that that either conversion has been performed is to drive the car. There are no visual clues. Even the Subaru diagnostic tool does not show that the ECU has undergone brain surgery.

 

The result does depend on the vehicle and the specification. Torque and turbo response is where we concentrate the mapping. Typical figures show improvements of +20 bhp and 30 lbs/ft of torque for a completely standard car or +30 bhp and 35-40 lbs/ft when combined with a peformance exhaust and air filter. These are improvements shown at the power and torque peaks, elsewhere in the rev range we regularly see figures much more than these -- torque increases of 50 lbs/ft not being uncommon. Click here to see graphs comparing real results before and after the Phase One ECU upgrade. Full details of these and other dyno runs can be viewed at the Dynomite Scoobies and EcuTek web sites.

 

Cost includes full rolling road set up and we need the car for a full day. Power and torque graphs for before and after the conversion will be recorded and printed for you to take away with your car.

 

 

Tek 2 ECU Upgrade (MY 01-06 cars)

Price: £550.00 (£646.25 inc.VAT)

 

Tek 2 ECU Upgrade (MY 99-00 UK Turbo cars)

Price: £550.00 (£646.25 inc.VAT)

 

Phase 2 ECU Upgrade (MY 97-98 UK Turbo cars)

Price: £550.00 (£646.25 inc.VAT)

 

 

 

 

AIR FILTERS - K&N PANEL FILTER

 

Airflow to your engine is one of the most critical areas affecting the performance of your vehicle and one of the easiest areas to upgrade. Original equipment air filters on new vehicles are generally very restrictive. This is due to their paper construction that actually limits engine breathing. That's why we recommend K&N, the leader in filter technology as proven by their heavy use in both on and off-road racing. Available for all Imprezas.

 

 

 

 

 

 

AIR FILTERS - K&N 57i INDUCTION KIT

 

The now-famous 57i K&N Induction Kit provides exceptional air flow combined with outstanding filtration. Unlike factory intake plenums and filters that restrict incoming air flow, the 57i Kit drastically reduces intake restriction while smoothing and straightening air flow. This allows your engine to inhale larger quantities of air, enhancing usable power and torque throughout the engine's rpm range.Not recommended for all MY99 Impreza's onwards due to very sensitive air flow meters on these models.

 

 

 

 

 

 

AIR FILTERS - BLITZ SUS INTAKE SYSTEM

 

The Blitz air filter is one of the best performing and best looking automotive air filters money can buy. The entire filtration element is made from a fine stainless steel mesh, which means the filter never wears out, and has substantially less restriction than any other filter. The same fine mesh in the top of the filter further improves the amount of air it can flow. All of these features mean Blitz air filters are capable of releasing more power than any other filter available. This complete kit includes all the necessary pipework, brackets, adapters, etc. and can give power gains of up to 12 BHP. Not recommended for all MY99 Impreza's onwards due to very sensitive air flow meters on these models.

 

 

 

 

 

 

AIR FILTERS - POWER INDUCTION KIT

Developed using a large K&N cone filter and special curved adaptor ring this Induction kit offers an answer to all MY99-00 model Impreza's. The specially designed adaptor ring allows a smooth air flow into the air mass meter meaning it can read the correct amount of air being passed over the hot-wire. This allows the vehicle to produce more power whilst maintaining the correct fuelling.

 

 

SILICONE HOSE SETS - SAMCO HOSES

 

Samco high pressure re-enforced silicone hose kits for air and water. Available in red, blue and black.

 

ANCILLARY HOSE SETS available for Impreza UK Turbo (92-96), WRX (v.1-v.2), STi (v.1-v.2) and WRX MY (01-03).

 

 

TURBO HOSE SETS available for all Imprezas.

COOLANT HOSE SETS available for all Imprezas except STi (v.7-v.8).

INDUCTION HOSES available for Impreza UK Turbo (97-00), WRX (v.3-v.6), STi (v.3-v.6) and WRX MY (01-03).

 

 

 

 

TUNING ACCESSORIES - MAGNECOR HT LEAD SET

 

The very best in HT leads. These 8.5mm Magnecor leads give a powerful spark at the plugs and reduce the chances of condensation tracking to almost zero. Available for Impreza UK (99-00), WRX (v.3-v.6) and STi (v.3-v.6).

 

 

 

 

 

 

TUNING ACCESSORIES - PFR7B NGK SPARK PLUGS

 

NGK uprated spark plugs. A must for STis using UK fuel and all modified cars. The very best, and suitable for all Imprezas.

 

 

 

 

 

 

TUNING ACCESSORIES - BAILEY DUMP VALVE KIT

 

High-flow dump valves will reduce lag and stabilise boost control. They cause no running problems like some dump valves - they have no diaphragm to split and are CNC machined from billet aluminium and use nylon internal pistons with "O" ring seals. The Bailey dump valve also makes a nice sound on gear changing. Suitable for Impreza UK (92-98), WRX (v.1-v.4) and STi (v.1-v.4)

 

 

 

 

 

 

TUNING ACCESSORIES - FORGE DUMP VALVE

 

High-flow dump valves will reduce lag and stabilise boost control. They cause no running problems like some dump valves - they have no diaphragm to split and are CNC machined from billet aluminium and use nylon internal pistons with "O" ring seals. Suitable for Impreza UK (99-00), WRX (v.5-v.6), WRX MY (01-03), STi (v.5-v.6) and STi v.7-v.8 (TYPE UK).

 

 

 

 

 

 

TUNING ACCESSORIES - BLITZ BLOW-OFF VALVE

 

Available for nearly all turbocharged Japanese sports cars, Blitz dump valves are supplied with a full fitting kit and interchangeable trumpets for different sounds. The main purpose of the dump valves is to improve the response of the turbo by quickly releasing the boost pressure before the turbo stalls. They are made from polished aluminium with a brass piston and a rubber diaphragm, meaning they can easily cope with boost pressures of over 2 bar.

 

 

 

 

 

ALLOY PRODUCTS - WATER HEADER TANK

 

This high quality high pressure tank is an exact replacement for the standard tank. Available with or without sight-glass for Impreza UK (92-98/99-00), WRX (v.1-v.6) and STi (v.1-v.6). The version with sight-glass is pictured (left).

 

 

 

 

 

 

ALLOY PRODUCTS - WASHER TANK

 

This high quality high pressure tank is an exact replacement for the standard tank. Available for Impreza UK (92-98/99-00), WRX (v.1-v.6) and STi (v.1-v.6).

 

 

 

 

 

SPEED DE-LIMITER

 

Japanese speed de-limiter. Not that you would ever want to go more than 112 mph but if you did...

 

Includes MPH facia and converter.