FAQ: Exhaust Systems

  1. I flashed my own 2017 GSX-R1000 ECM and now my bike is way down on power and runs terribly… any idea what could be wrong?
  2. Do I need a PCV, ECU flash, or BOTH when installing a Brock’s Performance Exhaust System?
  3. Why is it that the inside of my brock exhaust and headers are glowing red as I ride
  4. Why does my bike get less gas mileage after I installed your exhaust system? Primary use is street, but stoplight drags are frequent. Only the exhaust with O2 plug was added to the bike.
  5. What’s the difference in the street meg and the short meg
  6. What’s the difference in horse power between a full exhaust system and a slip on system? I have a 2013 ZX-14 and would like to increase horse power but prefer to maintain both pipes.
  7. What is the performance difference between the Alien Head 14″ and the Gen 3, 14″?
  8. What are your thoughts on wrapping my exhaust; good or bad idea?
  9. My exhaust installation went smooth and everything had good clearance except for the oil filter near the left header pipe which is so tight you can’t pass a sales card between filter and pipe. Is this typical or can the header pipes be shifted somewhat to the right to gain clearance on my ZX-14?
  10. Is the B-King system complete? What happens to the cat and servo? What about re-mapping?
  11. If you replace your stock pipe with an aftermarket pipe, would a power commander be necessary?
  12. I’ve been looking at the 4-2-1 brocks sidewinder, I’m lowered 2 1/2 in the rear and 1 in the front. My bike is stock! How much does it limit my right hand turning? Also do I have to cut my plastics to make this fit?
  13. I’m trying to decide which system sounds better, Alien Head or Short Megaphone. Which one has the deepest tone and which one sounds louder?
  14. I want to buy a system for my 2014 bmw s1000rr. My riding is mostly all commter i like the alienhead or shortmeg streetmeg will this system be ok for non race use and with your power commander will it still need to be dyno tune
  15. I love the Alien Head slip on look. How does the sound level compare to others on the market? Is it louder than the full system?
  16. I have an 05 Hayabusa with dual shortmeg exhaust. I would like to know how to remove the baffles
  17. I have a Busa gen 2 ct system. the right side muffler was damaged. how do i go about replacing just the muffler? dealer or direct to you if the option is available? also the y pipe has been damaged also. . does anybody sell just that unit or only a complete system. ROCK in a hard place!
  18. I am buying a Kawasaki H2 and I am wondering what is the loudest full system exhaust? What the db level is exactly without a baffle.
  19. I am always looking to cool down the riding experience on my motorcycle. Do you recommend using any type of exhaust wrap?
  20. How to check if the exhaust is genuine/original?
  21. How often should I repack the muffler on my Alien Head exhaust system?
  22. How much power is lost when the head pipes gets smashed?
  23. How much better is your TiWinder vs. your regular Sidewinder?
  24. How do I install my alien head slip-on exhaust on my 2011 zx10r. There were no instructions when I received my exhaust.
  25. How come the welds on your stainless exhaust systems aren’t as good looking as other manufacturers?
  26. Hello, I purchased a used Brock’s exhaust (awesome product) for my Honda Grom. The logo plate is damaged on it and I’m wondering if that’s something I can order from you guys, thanks.
  27. Do you recommend baffle in or baffle out?
  28. Do you get more hp out of the 20″ alien head or the 14″ full exhaust system
  29. Can you run a full exhaust with out a power commander or bazzaz box… or do you just need these for oxygen sensor bypass?
  30. Are there any real performance gains with ceramic coating your exhaust systems? If so, do you recommend coating the inside or outside?
  31. Are Brock’s Performance exhaust systems approved for European Street use?
  32. After my ride today I noticed that the end of my exhaust pipe was wet with a very watery substance. Normally it is dry more like soot. I was wondering what could this be caused by?
  33. 2015 ZX-14R dual ShortMeg slips. Drag flash. Pcv. How much more power could I make by switching to full exhaust with my cats already out?
  34. Replacement parts such as headers and mid pipes..Does Brock sell these items individually or if the part is damage you have to purchase a whole new full system? ..I see there is no section on yur site for order replacement parts other than mufflers
  35. Which one of your exhaust will be the loudest on a hayabusa?? I’m looking for a nice loud sound.
  36. If I use your pipe will it smash the header’s if I come down from a wheelie? I weigh 300 lbs and have a 1430 Hayabusa that is stock wheel base.
  37. I’m looking into getting one of your exhausts. Which one would you recommend for my 04 hayabusa with stock engine? I will later be adding top end mods, but for right now I am looking at the 4-2-1 Sidewinder or the Street Megaphone systems.
  38. I have an ’07 Busa that I bought new but now I’m wanting to upgrade the exhaust. I am torn between the Short Alien Head and the Short Megaphone exhaust. What would be the difference in performance?
  39. I have a 2003 Suzuki Hayabusa and I just bought a rear tire 300 kit. I need to buy a new exhaust system because I have a Tsukigi system and the slip on won’t fit. I love the way your system sounds and I just want to see if there’s a system that you guys sell for those kits?
  40. I’ve been looking around for full exhaust system for my hayabusa 2007. I’ve been looking at your twinder titanium street version exhaust and your alien head. I want to get as much hp as I can . Can you guys recommend one for me. Thank you.
  41. Will an intake cam on the exhaust side work with my slip on GP style short pipes on my 09 Hayausa? Or do I need to change the whole exhaust system for it to work?
  42. What’s the difference between Brock’s Alien Head vs. ShortMeg exhaust?
  43. Should I expect to see any HP gains going from the Gen3 to the Sidewinder on my Busa?
  44. On an 08-12 Busa does the stock oxygen sensor go back in the exhaust? The opening for it is blocked off.
  45. I thought I might have an exhaust leak around the header flanges, so I took my bike (08 Busa) to the dealership and had the exhaust gaskets replaced. The sound is still there and they say it is common with aftermarket exhausts. Is this the case?
  46. I just purchased a 2008 Busa and wanted to ask about the Alien head pipe and what type of map should I request. Which one (map) would give me the most power for street use?
  47. I have a 2008 Suzuki Hayabusa and I purchased one of your CT single exhaust systems. What torque spec do you use on the header flanges?
  48. I currently have an alien head on my Gen 2 Busa and the header is slightly smashed, so I’m considering getting your 4-2-1 sidewinder. My question is, what type of power increase can I expect with your 4-2-1 sidewinder, running it without a baffle. Basically I would like to know the advantages of a sidewinder.
  49. I am considering installing your Alien Head exhaust system on my 2011 Busa and a Power Commander V with your street map pre installed. My bike is completery stock with less than 2000 miles on it. Will I hear deceleration pop or backfire from this exhaust system with the power commander installed and mapped by you?
  50. Dyno Testing with a Sidewinder – baffle in or baffle Out?
  51. Does the oil cooler have to be removed to install a Sidewinder on my 2006 Hayabusa?
  52. Can the TiWinder be used with the stock oil pan or does it have to be installed with a lower profile oil pan? On the 08 Busa, can the oil cooler still be used with this exhaust?
  53. Would the dual ShortMeg slip-on system for the Kawasaki ZX-14R be considered street legal in TN?
  54. Will your CT Dual Full System fit on a Kawasaki ZX-14 that has a 240 rear wheel kit?
  55. What is the HP gain from adding your dual slip-ons to a stock ZX-14 with the flies out?
  56. What are the differences between 2006 and 2008 Alien Head slip-ons for a Kawasaki ZX-14?
  57. If I don’t want to put your exhaust and pc5 on my ZX-14R at this time, can I still flash the ecu on the stock bike to get rid of the safe mode and increase the max rpm etc.?
  58. I’m considering whether to buy a CT Megaphone Full System 17″ Muffler ZX-14 (06-12). The reason I’m considering is because of the oil plug and oil filter. Is it necessary to take off the muffler when I change the oil and filter? If there isn’t a problem I would buy this exhaust system(Brock’s mufflers are very cool).
  59. I want the loudest and best performance exhaust for my 2012 ZX-14R. Should I select the Alien Head 2 in 14″ or 20″?
  60. I installed my new CT series exhaust on my ZX-14R and the studs on the head do not engage enough of the nut to even be flush when torqued to 10ft/lbs.
  61. I have a zx14 with a smeg, no flies, no filter, and your track map. Will I gain anything from removing the baffle and would I need to change maps?
  62. I have a ZX14 that I want to put a sidewinder on, but first I have a few questions: Do you need a cut oil pan? Can you remove the oil filter without removing the pipe? Do you have to remove your oil cooler? Is the rear brake usable after install?
  63. I have a 2006 ZX-14 and I’m installing a 240 wide tire kit that’s extended 6 inches. Do you have an exhaust that will fit?
  64. How much HP will a nose reduction plug cost me in my CT Meg on my 2013 BMW1000rr
  65. I have a 2010 BMW S1000RR and the bike comes stock with titanium headers. With the exception of a louder sound and weight reduction, in what way will a Brocks full exhaust benefit me in terms of HP output etc.?
  66. I have the full CT titanium on my s1krr. It gets a little too much attention on the street and I would like to move to the quietkore. Is there a trade-in or conversion possibility? It has 1 season on it. Thanks-
  67. I installed a PCV on my bmw s1000rr. Is there something else I need to do? (for example removing O2 sensors, block the pair valve). Not going to use the Autotune.
  68. I had a brocks alien head full system installed on my 2008 gsxr 1000 and I just noticed that the plug on the mid pipe is missing. It was in the mid pipe when I received my exhaust system, so did the guys install my exhaust correctly and what should I do?
  69. I have a 2007 GSXR-1000 with a Brock’s Shortmeg and would like to know if the lowcut oil pan will fit on my bike with no problem?
  70. I am trying to choose between the Brock’s Alien Head full system or a sidewinder. My bike has a stock motor, but in the future it will be built. I was wondering which exhaust would be the best for a stock motor, but I also want to use the same exhaust when I get the engine built. I want the right exhaust that is going to get me peak performance.
  71. What are the expected gains going from stock everything to a Brock’s Full Exhaust and PCV with Map in a GSX-R1000? I know there are a few more factors involved in this equation but I would like rough estimate. Thanks
  72. Will it hurt my bike to install the pipe without the power commander right away?
  73. Will I need to install a different MAP if I use the Noise Reduction Plug (BPP-NRP)?
  74. Is a Power Commander mandatory or will the stock ECU adapt to the new pipe?
  75. How do I gain access to Brock’s Private StreetSmart Owners Section?
  76. How do I register my Brock’s Performance Exhaust System, receive Map Support and gain access to the StreetSmart Owners Section (Private) – all in one step?
  77. What is the definition of a USED exhaust system to obtain Map Support?
  78. I have a Brock’s Performance exhaust system and no receipt. What do I do to gain access to the owners group and mapping?
  79. Why didn’t my TiWinder exhaust system have new exhaust gaskets in the kit?
  80. When I swapped out the clunky stock exhaust (2008 GSX-R1000) for my shiny new Brock’s system, I did not pull off the old exhaust gaskets. Does the new system need new gaskets? I did not see any replacements in the kit.
  81. What is the purpose of the Alien Head exhaust being in so many pieces?