kyekye09 Posted February 26, 2013 Share Posted February 26, 2013 I had 4-2-1 manifold but changed to 4-1 toyosports manifold.I had posted on here about what manifold gave a 'scooby noise', as i had owned one ages ago but couldnt remember what manifold gave off that sound. Since fitting the toyosports manifold...i have smiled ever since! Fantastic noise from the system, coupled with de-cat and powerflow back box!any noticeable gains with either manifold(ie did you notice a drop in torque after fitting the 4-1) Quote Link to comment Share on other sites More sharing options...
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