The diaphragm is not rubber. Its high temp silicone reinforced with nomex. The casing is good quality. The C-clip isnt chanfered as it should so get yourself a file or you wont be able to install the c-clip. Mine was defective on arrival. There is a checkvalve inside that protect the diaphragm from boost ... Read more
Makes perfect sound and does what it is supposed to do. Better than expected for this price. It was really easy to adjust everything, there was everything included in the box needed for installation. Used in audi typ85 2.2t quattro. Love it! Wery fast shipment. No cons I had to adjust the spring tension ... Read more
La tardanza pero vamos el envio es gratis asi que no importa.. no creia q iba a llegar, la verdad creia que eso de comprar a china era un timo y paara nada, asi tengo amigos mios que estan viciados.. en comprar aqui por la comodidad de no salir de tu casa sin gastos de enviuo y sobre todo el precio de ... Read more
1. Excellent price for the Blow off HKS!
2. build quality is good! 3. satisfied with delivery times!
4. satisfied with the purchased goods!
5. Included with the Blow Off HKS comes all you need to install! HKS icons were poorly attached. I'll take the glue and pasted them on the case! No more negative!... Read more
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