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Hot Diesel Products

Aero Exhaust Resonated (XL) & Non-Resonated Turbine High Performance Mufflers
$65.00 - $193.55 SALE!

Grand Rock PowerFlow Universal Dual Exhaust Stack Kit with Chrome Stack Tips
$649.99 $529.99 SALE!

Edge Juice with Attitude CTS for 2007.5-2010 GMC/Chevy 6.6L Duramax LMM
$1,011.42 $979.00 SALE!

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100% Customer Satisfaction

"My Diesel Performance Chip Paid For Itself In 3 MONTHS!" - Robert Allen, Houston, TX

"My Mileage Increased By 18% With The Diesel Performance Chip From Parley's Diesel!" - Dave R., Logan, UT

"The Quadzilla Stealth Tuner that I bought from you guys is AMAZING! It feels like I DOUBLED my horsepower!" - Charles St. Claire, Knoxville, TN

"The only thing my truck was missing was the sound of a mean, high performance vehicle and the Aero Turbine Muffler got me there!" - Ted Lee, Sacramento, CA