i fit the 175mm perfectly just cut it closer to the maf sensor and push the coupler in all the way... fits perfect in the box..
sound is awesome.. def big difference.. as for power no idea.
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BMW M5 | Singapore Grey | Sakhir Orange | Turner Muffler Delete | Alpha Catless Downpipes | RamAir Intakes | ESS Tune E-700 | Performance Front Lip | Performance Wing | Stance SF07 20X9(20ET) 20X10.5(27ET) |
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