POWERFLOW KITS
Diesel Pickup Exhaust Systems
All Stack Kits include:
- Ultra-high quality WFC-series preformed 304 Stainless clamps
- Westfalia 304 Stainless flex hose.
WHY replace a perfectly good stock exhaust system on your diesel truck?
Cardinal rule #1: Diesels HATE backpressure! Diesel pickup owners who have researched performance upgrades to their trucks' exhaust know several things are true.
- Exhaust gas temperatures (EGT) will drop when a better flowing exhaust system is installed - this is a good thing especially when towing.
- A larger diameter down-pipe a/k/a Turbo Pipe will allow for greater flow volume, as will a straight-through low-backpressure muffler, & the rest of the pipes in the system as well.
- Better flow = more Horsepower, Torque, & FUEL MILEAGE!
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7" Peterbilt Retro 379 Chrome Stack Kit - 7PK-9052RF 7PK-9052RF
Grand Rock
YOUR PRICE $1,934.50 - $4,664.007" Retro Peterbilt 2-Piece Chrome Stacks Kits - Easy to Install! 7PK-9052RF - 7” Stack Kit for 1994 To 2002 OE Pete Retro 379 (2) Elbows: TPB7-2920SC-5 for Retro Pete 379 7” to 5”, 90 degree Chrome, Smooth Joint (2)...GRC7PK-9052RFYOUR PRICE $1,934.50 - $4,664.00 -
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7" Peterbilt 379 Chrome Stack Kit - 7PK-5652OE 7PK-5652OE
Grand Rock
YOUR PRICE $1,934.50 - $3,913.987" Peterbilt 2-Piece Chrome Stacks Kits - Easy to Install! 7PK-5652OE - 7” Stack Kit that fits a 1994 To 2002 OE Pete 379 Big Rig Truck (2) Elbows: TPB7-13056C for Pete 379 7” to 5”, 60 degree Chrome, Smooth Joint (2) Center...GRC7PK-5652OEYOUR PRICE $1,934.50 - $3,913.98