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C250iR Race Nitrous Kit Suitable for most injected engines with a single throttle body

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Wizards of NOS C250i Race Nitrous Kit Suitable for most injected engines with a single throttle body, for official race use.

The Wizards of NOS C250i Race Nitrous Kit includes WON's world famous 250HP X-10 Pulsoids which have a flow rate capable of 250HP. This high end nitrous oxide system has been specifically designed for the more serious racer who wants the winning edge over their opponents.

Wizards of NOS Nitrous Kit SB150i Export

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Wizards of NOS C250i Race Nitrous Kit Suitable for most injected engines with a single throttle body

The C250i Race with its braided hose nitrous supply pipe and 250HP X-10 Pulsoids, is a frequent choice for ‘official’ drag racers who need to meet race regulations. The C250i Race Nitrous Kit suits most fuel injected engines and benefits from numerous unique features as standard equipment, which offer substantial advantages over all other brands.

Click here for a comparison of WON vs other brands.

Click here to see the results of an independant test done on a WON kit vs a Nytrex kit.


  • Lifetime guarantee.  
  • Braided Hose nitrous supply pipe to suit race regulations.
  • Crossfire injector.
  • Billet alloy Pulsoids which well never wear out, guaranteed for life.
  • Micro bore nylon hose for maximum efficiency.
  • EU specification nitrous bottle with FlowMax valve & SPRV.
  • Laserlite QD nitrous bottle quick release mounting system. 

If you want an easy to fit, budget priced system that delivers maximum reliability; the Street-Blaster 250 Race has been developed by WON with you in mind. Having just one injector it is our lowest priced export system and is also the easiest and quickest to fit. This system is for street (assuming in a hot climate) and race use, whether it be purely for the thrill or the more serious use of gaining a competitive edge.   The Street-Blaster 250 Race can deliver a boost of up to 250bhp, whenever you need a burst of acceleration.  Utilising the same high-quality components as our ultimate race, Pro-Series systems the Street-Blaster 250 Race offers peace of mind and impressive results at a very competitive price. 

This nitrous kit is suited to, but not limited to:

All VW Water Cooled 4 to 6 Cyl Injected Engines (Golf 2.0 16V / 1.8T / VR6 , Polo etc.) Click HERE for TFSI specific systems

Most Ford 4-Cyl Injected Engines (Focus , Fiesta, etc.)

Most Vauxhall/Opel 4-Cyl Injected Engines ( 2.0 XE / LET, Corsa, Vectra etc.)

All Subaru 4 to 6 Cyl Injected Engines ( Impreza, Legacy )

Most Mitsubishi 4 to 6 Cyl Injected Engines ( Lancer / Evolution , FTO, GTO)

All Honda 4-Cyl Engines  ( Civic, Integra)

Most BMW 4-Cyl Injected ( 3 series)

All Mercedes 4-Cyl Injected Engines ( C-Class etc.)

All Seat 4-Cyl Injected Engines (Leon, Ibiza, Cupra etc.)

Most Audi 4-Cyl Injected Engines (A3, A4) Click HERE for TFSI specific systems

All Toyota 4-Cyl Injected Engines (Vitz/Yaris, Celica etc.)

Most Nissan 4-Cyl Injected Engines (200 SX , Sunny, Silvia,  etc.)

Most Renault 4-Cyl Injected Engines (1.8 / 2.0 Clio, Megane etc.)


Whether you need or just want to experience the WON buzz, a Street-Blaster 250R can deliver - order online NOW!

Parts Included:

·        1 x Crossfire Injector (spacer & retainer).

·        1pr x Billet alloy Pulsoids with CNC machined SS fittings and laser cut mounting plates.

·        1 x 5 lb bottle with Max-flow Valve.*

·        1 x Laserlite polished stainless steel QD bottle mounting system.

·        1 x Fuel adapter - varies per application.

·        1 x Throttle activated micro switch & bracket (electronic TPS upgrade available for an additional charge).

·        1 x Arming switch w/ aircraft style cover.

·        1 x Electrical connectors & wire pack.

·        5M of 4AN Braided Nitrous Supply Hose (with end fittings).

·        1M of 4mm nylon fuel supply pipe.

·        0.5M of 4mm nylon supply lines from Pulsoids to injector.

·        7 x 4mm retaining nuts and olives for nylon lines.

·        1pr x Metering Jets (suitable for your application)

·        4 x stickers  

·        Fitting instructions & stickers

*Bottle shipped empty

SB150i Installation Manual 


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Yours Sincerely, The Wizards of NOS Team