Review on AEM 21 8117DP Polished Intake System by Juan Grayson

I recently purchased an aftermarket emission system for my automotive performance needs, however, this upgrade left me quite unsatisfied. As a result of my tests, i determined that it did not improve the performance of my car and caused a noticeable decrease in gas MILEAGE. The only positive aspect is the polished look it gave to my engine. Unfortunately, the cons outweigh the single pro, and I do not recommend this product..