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Testimonials

LightForce - Nathan H.

"Due to your speedy service I was able to take the new lenses (LightForce) into Canada with me this last weekend.  They definitely work great and helped me avoid a moose."

EDGE and AFE - Wade H.

"Previous to my modifications, I got 10.8 mpg on the last tank in my 2002 Ford F250 PSD. Then along came Grimm Performance!

As you will recall, I purchased the Edge EVO and the AFE Magnum Stage II. In addition to these upgrades, I added the Magnaflow 5" SS Exhaust. I got 21.47 mpg on my first tank with the EVO set on TOW!

I just wanted to say thanks for your help. You have a new, very satisfied customer."

 

Featured Products

Quadzilla Stealth 2 Tuner: 07.5-08 Chevy Duramax LMM diesel
Quadzilla Stealth 2 Tuner: 07.5-08 Chevy Duramax LMM diesel
$449.10
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LightForce 170 Striker Driving Light Twin Pack
LightForce 170 Striker Driving Light Twin Pack
$225.00
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Hog Performance T-409 Stainless Full Exhaust: 04.5-05 Chevy Duramax Diesel LLY

Price: $579.99



Make your truck perform its best!

Hog Performance 4" turbo pipe back T-409 stainless exhaust system for the 04.5-05 Chevy/GMC 6.6L LLY Duramax diesel engine. (#HP-20205)

Price shown INCLUDES SHIPPING!

The Duramax is Awesome! Add this beautiful 4" system to it and get performance results and the best look on the planet. Connects to the turbo pipe. Easy installation. Comes with installation video and instructions.Hog Performance exhaust system! 

Hog Performance diesel exhaust systems use true 4" T-409 stainless steel throughout.  The kit includes stainless steel clamps and hangers and a polished reverse flute designed muffler with lifetime packing.  Each system comes with a beautifully polished 24" long tip so your truck always looks as good as it sounds.  What a package!  The best overall performance, the best sound, and the best looking exhaust system around!

*instructions included for adapting the catalytic converter to the system

MUFFLERS:

Each Hog Performance exhaust system comes with a standard, highly polished muffler with a reverse flute design for excellent flow.  This design prevents soot buildup and gives you a lifetime of clog free operation.  However, this Reverse flute design for soot ejection!muffler is not the quietest around.  Luckily, Hog Performance provides some alternatives:  a 24" augmented muffler, a 30" augmented muffler, and a 24" hi-flow performance muffler.  The augmented mufflers give you greater noise reduction, with the 30" being quietest (may require some modification to fit).  The hi-flow gives you the best engine performance but may cause problems with your neighbors!

Grimm Performance allows you to upgrade to any of these mufflers for only Twenty dollars!  Choose below.

This exhaust system fits 04.5-05 Chevy/GMC trucks with the Duramax LLY diesel engine and INCLUDES the polished tip.  Don't forget - our price INCLUDES SHIPPING!

We have the best price around for Hog Performance Exhausts!  If you want your vehicle to perform its best at the lowest price then your only choice is Hog Exhausts from Grimm Performance!  Grimm Performance provides a 30 day money back guarantee!



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