Write a Review – Promotional Winners

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We are proud to announce our randomly picked March Winner is Kevin Fischer of Kennewick, WA

Product Reviewed : Alien Head Full System

Love the power and the sound
I purchased the full system AH2 for my 2012 ZX14R and love the sound it makes. I added a PCV to get the air/fuel right and it has amazing power. In my opinion the stock system is heavy, too quiet and too restrictive. Problem solved!


We are proud to announce our randomly picked February Winner is David Wiegel of Deltona, FL

David Wiegel Brocks Performance Kawasaki ZX-14

Product Reviewed : Pulse 3 Series Battery by Full Spectrum Power

Flawless Performance on my ZX14r so far
This battery is 10 pounds lighter than my stock ZX14r Battery, flawlessly starts quickly, have many extra electronic devices on the 14r. $-65/125 watt Bulbs, radar detector, Mix-It amplifier, charger for my Iphone 5 too, and dual Whelen brake lights, PIAA 1100 55 watt bulbs on front fenders too…shows 13.8 to 14.0 volts when riding at normal highway speeds. Just ordered another to go in my Kawasaki C-14 as the regular battery only 5 months old is not staying charged for more than 5 days for reasons unknown. Hope this will solve the problem. It is unthinkable that a battery this small can turn over 12.2 compression pistons with no effort! Love it so far!


We are proud to announce our randomly picked January Winner is Shawn Malanaphy of Greenacres, FL

Shawn Malanaphy

Product Reviewed : Alien Head 2 Full System

Easy Install
Hi there, my name is Shawn (aka Garth285) and I just wanted to write you guys to thank you for such a great product! I recently installed your Alien Head 2 full system on my Uncle Bill’s 2012 ZX14r and it was one of the easiest installs I have done in the 10+ years of working on bikes! Everything fit together so nicely and was very well put together, ZERO clearance issues and zero fitment issues! The bike went from making 185hp to 200hp with just the pipe install and a ECU flash from Guhl motors and now that it is dialed in on the street she really makes some monstrous power! Anyways I just wanted to say thank you guys for making a great product that I would recommend to anyone who is looking for a rock solid exhaust!


Brock’s Performance appreciates our customers and the time they take to give us their honest feedback.