Empire exhaust review

Empire exhaust review DEFAULT


Empire Industries Dual Exhaust system for Yamaha Raptor 700 (2006 – 2014) Tig welded 304 stainless steel construction. Step pipe design for maximum power. 6061 Aluminum silencers with billet end caps make for easy repacking.

Empire Industries Dual Exhaust system for Yamaha Raptor 700 (2015 & UP) Tig welded 304 stainless steel construction. 6061 Aluminum silencers with billet end caps make for easy repacking. Huge 7+ Horsepower gains!

Empire Industries Single Full System for Yamaha Raptor 700 (2015 & UP) Bolt on huge power gains across the entire RPM range with this Full Exhaust System. Unique step pipe design pulls every bit of horsepower out of your motor. Empire Industries has the Best Horsepower producing Exhaust Systems on the market! Empire Exhaust offers an awesome exhaust tone and performance like no other. Empire Exhaust Systems are built right here in the USA and constructed of mandrel bent, high grade, 304 stainless steel. Tig welded 6061 aluminum silencers with billet end caps that make for easy repacking. Empire Exhaust Systems have been dyno tested against the best and come out on top Every time! If you find Empire exhaust cheaper elsewhere simply give us a call!

Power Commander V fuel tuner optimizes your ride anywhere you’ll roam. This sleek module seamlessly optimizes your air/fuel ratio without directly changing the ECU, making it effortless to push it to the max. Easily uninstall to revert back to factory default settings when you feel like giving everyone else a chance. Power Commander V takes the guesswork out of pairing efficiency with performance, keeping your focus where it belongs — on the journey ahead.

Better than ever (and smaller than ever), Power Commander V now has a fuel change range of -100/+250%, automatically giving you the best mix of performance and fuel efficiency at all times. This fuel tuner holds two maps at a time for multiple drive options (via the Power Commander V map switch accessory), as well as 10 throttle position columns, so you won’t sacrifice comfort for performance. Featuring a plug-and-play kit, Power Commander V can be installed discreetly underneath your seat, ensuring your ride looks as good as it runs.

  • Compact design for discrete placement & easy uninstallation to revert to stock settings
  • Vast library of tunes for any combination of aftermarket parts
  • Easily change & upgrade tunes as you upgrade parts
  • Comes with Power Core software that connects dyno runs with our EFI Tuners to unlock your ride’s potential
  • Upgradeable with additional features such as auto-tune and launch control (included on fuel and ignition models, available through the ignition module accessory on all other models)
  • Analog input which allows you to install any 0-5 volt sensor and build an adjustment table based on its input such as boost or temperature
  • Easily connects to your computer via USB
  • Each cylinder can be mapped individually and for each gear, giving riders more granular control
  • One year warranty
  • Proudly made in the USA


Monitor and maintain your air/fuel ratio without directly changing the ECU with our Power Commander line of EFI tuners. This device has tons of tunes to choose from and can optimize your machine for speed, torque and power.


The Power Commander EFI  tuner line can help take your ATV to the next level of power, without the issue of rewriting the ECU directly. With hundreds of tunes to choose from perfectly tailored for stock, modified or racing ATVs, this device is an absolute necessity during the upgrading process.

Sours: https://store.worldwideperformance1.com/product/empire-exhaust-for-raptor-700/

Empire performance exhausts

Not_An_Abba_Fan said:

I was referring to muffler flow capacity.

Where do you get that CFM figure for 350hp car? 350hp requires ~770 CFM. Even if you use the formula of engine displacement x max rpm / 3456 you still get ~620 CFM for an LS1.

Not chasing you at all lol, I'm just commenting in the threads that I have already replied to.

Click to expand...

Ah, that's maximum theoretical intake CFM @ 100% efficiency, not what a stock GM V8 produces at the exhaust port.

Think about it, stand alone L92 heads and manifold combo on the flow bench @ 28" won't reach 310 CFM @ 0.600" lift (x2), and a stock VE lift at valve is 0.480" allowing 285 CFM (x2). So while the LS3 intake is better than previous models, the physical CFM limit is 570 CFM max, by the manifold.

A GenIV 6.0 makes 350 hp according to Holden, with Trapped Volumetric Efficiency of 85%
so using conversion of 1 x CFM = 1.67 HP, the intake is 178 CFM @ 28".

Given a stock cam, the GenIV exhaust to induction ratio is 72% - 74% so max exhaust CFM = 130 CFM @ 28"


Sours: https://forums.justcommodores.com.au/threads/empire-performance-exhausts.233705/
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PRODUCT TEST: Empire Industries Ace 570 Exhaust

Some people do performance mods, while others will improve the appearance of their machine. For our project Ace 570 we wanted to upgrade the exhaust for a little more power without tearing into the engine internals. When choosing an exhaust system for our project Ace, we didn’t want one that was too loud or too tame. After hearing a few different ones we’ve seen racing, they were just too loud for our liking. We contacted Empire Industries, and they offered us an Ace pipe as part of their full line of power products for ATVs and UTVs. We knew with the addition of letting the engine breathe better we would need to adjust the fuel mapping as well, so we contacted Dynojet and ordered a Power Commander V for the build.

Empire Industries constructed their exhaust with a 1 3/4inch head pipe stepped up to 2 inches using 304 stainless steel for the head pipe and an aluminum canister for the muffler. A spark arrestor from a Polaris RZR fits directly into the new exhaust to keep you legal in areas that require spark arrestors

This exhaust system from Empire Industries retails for $589 and replaces the stock head pipe and muffler with a 1 3/4-inch stepped to 2-inch 304 stainless steel head pipe with a newly constructed aluminum muffler that creates a great sound from idle all the way to wide-open throttle. Empire built an internal resonator to help keep the sound decibels down yet still produce optimal power. To help prevent the engine from running lean on fuel we installed the Dynojet Power Commander V that retails for $399.95. With these simple additions we greatly increased our throttle response and overall power compared to the stock system. At one of our local testing areas we put the stock system and the Empire Industries system to the test against each other for comparison. When climbing hills and crawling over rocks, the Empire system provides more torque over the stock system allowing you to use less throttle. We set up a small loop to really see what this exhaust could do in a more wide-open scenario. On this test we noticed the snappy throttle response from a dead stop and when coming out of tight turns. On more wide-open turns and straightaways we quickly accelerated to the top speed we could achieve for the terrain. With the stock system installed we were able to achieve the same top speeds in the longer sections, although it wasn’t as quick to get there.

Empire designed an internal resonator to keep the sound levels down and produce a great tone. We noticed an increase in power throughout the whole rpm range

When it comes to upgrading the exhaust system on any machine we always want the most power and a great sound. For our Ace 570 exhaust, we achieved exactly what we wanted. The all-around performance of this exhaust is great for every type of driving style and terrain out there. We noticed we were able to use less throttle when climbing hills and traversing over rocks, then had instant throttle response when we wanted to go faster on the open area. With the combination of the fuel programmer from Dynojet ($399.95) and exhaust from Empire Industries ($589), you can get sufficient power for your Polaris Ace 570 at a reasonable price. If you’d like to purchase any of these products, give Empire a call at (928) 505-6443 or visit them at www.empire industriesinc.com. To contact Dynojet call (800) 992-4993 or visit www.dyno jet.com to see a full list of products.

Sours: https://dirtwheelsmag.com/empire-industries-ace-570-exhaust/
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