Hot Diesel Products
AFE Stage 2 Si Cold Air Intake with Pro Dry S Filter for 2009-2013 VW & Audi 2.0L TDI 51-81711Too low to show! See price in cart!
SCT Livewire TS Programmer and Monitor 5015
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
GM Pre-Duramax
Parleys Diesel Performance carries many GMC/Chevy 6.2L & 6.5L Pre-Duramax Diesel Performance Parts. We offer quality upgrades for your GM Diesel diesel truck from the best brands in the business, brands that give you more horsepower, more torque, and more fuel economy. To see parts specifically for your 6.2L or 6.5L diesel, choose your engine displacement.
Chevy/GMC 6.5L Diesel Performance Upgrades
- Chevy/GMC 6.5L Diesel Performance Exhaust Systems & Components
- Chevy/GMC 6.5L Diesel Exhaust Stacks
- Chevy/GMC 6.5L Diesel Water-Methanol Injection Kits
- Chevy/GMC 6.5L Diesel Turbo Upgrades
- Chevy/GMC 6.5L Diesel Gauges & Pillar Pods
- Chevy/GMC 6.5L Diesel Lift Pumps & Fuel Preporators
- Chevy/GMC 6.5L Diesel Differential Covers
- Chevy/GMC 6.5L Diesel Truck Accessories
Chevy/GMC 6.2L Diesel Performance Upgrades
- Chevy/GMC 6.2L Diesel Performance Exhaust Systems & Components
- Chevy/GMC 6.2L Diesel Exhaust Stacks
- Chevy/GMC 6.2L Diesel Water-Methanol Injection Kits
- Chevy/GMC 6.2L Diesel Turbo Upgrades
- Chevy/GMC 6.2L Diesel Gauges & Pillar Pods
- Chevy/GMC 6.2L Diesel Head Studs
- Chevy/GMC 6.2L Diesel Differential Covers
- Chevy/GMC 6.2L Diesel Truck Accessories
