Battle of the Gen V LT Intakes: Dyno Testing Reveals the Winners
At GPI, we’re constantly asked “What’s the best intake manifold for my Gen 5 LT?” The honest answer has always been “it depends on your
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Introducing the Boostmaster 396 – Built for Boost
Introducing the Boostmaster 396 – Built for Boost, Not for Show At Gwatney Performance, we don’t build engines for Instagram likes—we build them to survive
Introducing the Thump ’24 Camshafts: Making Engines Great Again
Ladies and gentlemen, believe me when I say, there’s never been anything like the Thump ’24 Camshafts. People have been asking for a choppy, thumping
Battle of the Gen 5 LT Intake Manifolds: Holley Hi-Ram vs. CID
When it comes to squeezing every ounce of performance from your Camaro or Corvette Gen 5 LT, the intake manifold plays a pivotal role. Enthusiasts
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Recent Reviews
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The folks at GPI are both professional and very knowledgeable. I was treated fairly. All my questions were answered to my satisfaction. They will treat your baby as if it was their own. I was briefed every step of the way. It is apparent the fine men there are dedicated to satisfying the customer.
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GPI FTW simple as that. The customer service is the best. You can't go wrong with buying from these guys.
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These guys tuned my 2016 Sierra and after having it for about two days now, I absolutely love how it changed this truck. Better fuel economy, none of that sluggish GM shift points. 10/10 in my books and A+ customer service, I would trust these guys with any performance work that you need.
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Bought their ported/rod modded intake manifold for my 2010 Camaro SS L99 and holy crap, it's amazing! The porting looked well done and I am very impressed!
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Great customer service. Been bothering Dan for 3 days asking many questions, some over and over again, and he answered all of them like an expert. Bought 3.91 gears from them yesterday and will be going back shortly for a cam. Appreciate it fellas!
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Great people and great service.
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