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T Sport Standard Backbox Size


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Im looking at sebring backbox for my yaris, as it think it looks good its 90mm which is approx 4 inch bore

Does anyone know the standard yaris backbox bore?

as im wanting to use theis in conjuction which envys de cat and manifold. Just wondering about performance it should all mate up properly and not limit performance? and dont think it will be as loud which i wnt coz i think the de cat system is 2 1/4.

i dont want a fujisubu etc

anyone any ideas, how it will cost to fit and isntall time?, im thinking a 15min job and 10-15 froma grage to fit?


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