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Frequently Asked Questions - Vauxhall Calibra
 
Exhaust manifold for Vauxhall Calibra
SBD Throttle Bodies into Vauxhall Calibra
 
Exhaust manifold for Vauxhall Calibra
Question: I'm interested at the Tarmac exhaust manifolds. I would like to know the diameter of the primary and secondary tubes, and if is possible to fit it in Vauxhall Calibra engine compartment? Alternatively should I have a 4 to 1 if the above manifold will not fit?

Answer: The tarmac exhaust manifold is still available and because the dimensions of the Calibra engine bay are identical to that of the Astra, it will fit in exactly the same way as the Astra engine bay. The diameters of the primary pipes are 1.7/8" and the secondaries are 2.1/8". The outlet diameter into the first part of the system is 2.5". This was then stepped up to 70mm to match onto the works exhaust systems
I would not recommend a 4 into 1 exhaust manifold. It only produces peak power and loses dramatic amounts of mid range and lower end torque and our design of exhaust manifold is superior in every way.

Links: Exhaust Manifolds

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SBD Throttle Bodies into Vauxhall Calibra

Question: I want to put throttle bodies & cams in a Calibra 2.0L 16v, will they fit under the bonnet or catch on the brake master cylinder?

Answer: The throttle body kit MT196 will fit without fouling the brake master cylinder. However you will have to move the brake pipes coming out of the master cylinder using the brake mod kit supplied.

Links: Multi-throttle kits

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Please check our customer cars section which may help answer your questions
 
2.0L Vauxhall Components | 1.4L & 1.6L Vauxhall Components | Duratec Components | Hayabusa Components

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