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15-02-2009, 11:31 AM
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FF.Com.Au Hardcore
Join Date: Jul 2005
Location: Lyndhurst
Posts: 563
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What a difference, i finally put my cat on yesterday, i was thinking that my standard cat was getting to be a big restriction, starting to block up. So i bought a Stainless Steel inside and out 200Cpsi cat.
So yesterday i went to a mates work to weld it up, pulled my standard one off to find it has alot of metal dags on the inside where it was welded, so i measured the internal diameter and was only 40mm, the rest of the cat was 50mm internal, now its 65mm all the way. It has made the car so much smoother to drive and doesnt run out of breath up top and i found a little bit of low end torque. It now has the "bite" in the note which sounds good, nice and quiet on the freeway and nice grumble at idle. I didnt expect that much from the cat. But it doesnt crackle when slowing down which i thought it would |
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Finally got my cat!
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