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Another Vengeance Racing VR500 hit the streets last week and we're happy to report solid performance gains, increased power, and just-as-good-as-stock drivability, idle, and reliability. This bright yellow Z51 Stingray arrived at our shop with just 5000 miles on the odometer and, while the owner was obviously happy with the performance, it was time for some more power!

We selected the warranty compliant VR500 package for this particular build, which includes a Halltech cold air induction system, a set of American Racing mid-length headers complete with high-flow catalytic converters, VR high-temp spark plug wire insulators, and complete professional installation. This system, which retails for under 3500-bucks, is our base package and with gains of 30-rwhp and 30 lb-ft of torque, it's something we think every Stingray owner should have! Of course, we may be a little biased...





VR500:
Halltech cold air induction system
American Racing mid-length headers
High-flow catalytic converters
VR high-temp spark plug wire inuslators
Complete professional installation
Lowered ride height - 1"
Warranty compliant!







The Z51 Stingray was certainly no slouch from the factory, putting down 414.79-rwhp and 410.40 lb-ft of torque in factory trim. With the VR500 package, horsepower and torque both jumped +30, with peak gains reported as 30.55-rwhp and 30.00 lb-ft of torque. The VR500 Stingray laid down 445.34-rwhp and 440.40 lb-ft peak, picking up power and torque from 2500 to 6500 without missing a beat! And best of all, our Vengeance Racing VR500 customer won't have to worry about passing emissions testing devices or having issues with his existing warranty... now that's a win-win!

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I’m really trying to save my money for a 2016 Z06… I wish all the corvette vendors would stop putting out so much awesome stuff! ;)
 

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I’m really trying to save my money for a 2016 Z06… I wish all the corvette vendors would stop putting out so much awesome stuff! ;)
Thats because you can save money and can make a comparable car if you take the stingray and mod it. Chevy just made such a great platform to mod.
 
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How is it that adding headers and changing the Cats are warranty compliant?


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because you really didn't change anything physically to the engine, and got something that does not effect the overall engine longevity. It's not like changing a camshaft, pistons, etc. you just changed the backpressure in the exhaust a little bit, and freed up some intake air
.
 

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How is it that adding headers and changing the Cats are warranty compliant?


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It's really a matter of semantics. Of course any factory warranty of the parts you removed are gone and also, the factory cannot be held responsible if the car fails emissions testing 3 years down the road but it's unlikely you would have issues with drivetrain warranty claims unless you run into a really hard ass regional GM rep. Of course you have the law on your side but you are guilty until you prove your innocence so it's up to you how risk adverse you are.

Technically, you are more at risk from a warranty perspective by reflashing the computer than you would be with these mods based on the hardline path GM is taking.
 

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David,

What additional gains can you get from this package with a custom tune?
 

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headers, cylinder heads (bigger chambers) a supercharger, or turbos , a camshaft, a tune, and some stickier tires.
 
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