Reaper DPF, EGR Delete Single Tune, 4" Stainless Exhaust Package for Duramax LMM 6.6L 2007.5-10

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Special Price $1,149.00 was $1,176.82

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Stainless Exhaust and Tuning for Duramax LMM

Reaper Single Tune Half Throttle Autocal
Deletes CAT, DPF & EGR
Choose 1 of 4 Available Power Levels (+50, +60, +100 or +120 HP)
JAMO 4" Stainless Delete Exhaust With Polished Tip
Deletes CAT & DPF Systems
Performance Gains up to +14 HP & +25 lb-ft Torque
High Qualty T-409 Mandrel Bent Stainless Steel & Polished Tip
Available With or Without Muffler
Standard EGR Delete Kit
Completely Replaces EGR Coolers and Valve
CNC Machined Billet Aluminum and Stainless Steel Construction
2007.5-10 Chevy & GMC 6.6L Duramax Diesel Pickups

IMPORTANT: This package is not suitable for Cab & Chassis models.

NOTE: The Up-pipe block off plate is not a permanent solution. The up-pipe must be replaced with a race pipe to eliminate any potential failure of the pipe and/or bracket.

Punisher Performance Reaper Autocal

With the Reaper Autocal from Punisher, you can safely delete your DPF, CAT and EGR without throwing codes or putting your truck into limp mode. Choose 1 of 4 available power levels (see table below). We don't expect anything to go wrong, but if it does, Punisher Performance is among the best in the business at serving it's customers. Finally, should you continue to upgrade your truck, Punisher can update the tuning via email. Besides supplying what you need, these tuners can give you what you want.

Duramax LMM Power Levels

Economy + 50 HP
Tow + 60 HP
Mild + 100 HP
Hot + 120 HP

True Customization

Not only is the tuner initially programmed to your specific truck as it is, but the truly great thing about these Autocals is that you can do so much more than just program! You can purchase additional tunes for $60 each or upgrade to the full DSP5 software with all four tunes and a switch for an additional $250. You can log data and you can clear DTC's. For customers who frequently upgrade their truck, tunes and data logs can be exchanged with Punisher Performance via email!

JAMO Performance Turbo Back 4" Stainless Steel Exhaust

This system is constructed from mandrel bent 4" 409 stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT?ÇÕs. This muffler delete system is for those who prefer a true race-inspired sound and maximum flow.


By deleting the CAT and DPF this exhaust system will provide performance gains of up to +14 HP & +25 lb-ft Torque.


Made from high qualty T-409 Stainless Steel, the exhaust is mandrel bent for maximum flow. The kit also includes a stylish polished T-304 Stainless Steel Tip that will also enhance the overall sound.


Designed using Factory Mounts & Hangers so installation is as easy as possible and requires no cutting

Optional Muffler

The optional free-flowing 30" long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. With a free-flow design, the strategically placed louvers provide sound deadening control for a more pleasant in-cab ride.

Standard EGR Delete Kit

Eliminate the Engine Killing EGR System

Made of machined billet aluminum and stainless steel, this EGR delete kit completely replaces the EGR system - no other parts are needed. It doesn't require removal of turbo, intake manifold or up-pipe.


  • Does not Require removal of turbo, intake manifold, or up-pipe
  • CNC Machined Billet Aluminum and Stainless Steel
  • Completely Replaces EGR System, No other Parts Required
  • Includes detailed Installation Instructions


NOTE: For off-road or race us only.

NOTE: The Up-pipe block off plate is not a permanent solution. The up-pipe must be replaced with a race pipe to eliminate any potential failure of the pipe and/or bracket.

More Information
Performance Type N/A
Diesel Engine Duramax 6.6L LMM 2007.5-10
OEM Make GMC, Chevrolet
OEM Model Sierra/Denali 2500, Sierra/Denali 3500, Silverado 2500HD, Silverado 3500HD
Specific Year 2010, 2009, 2008, 2007
Brand Punisher Performance
Transmission Automatic, Manual
Drive N/A
Supports EGR Racing Kit? Yes
Exhaust Diameter 4"
Material T-409 Stainless Steel
Exhaust Type Racing
Exhaust Size Down-Pipe/Turbo Back
Bungs No Bungs
Instructions Included in Box

Coupon Codes are entered on the shopping cart before going to checkout. If you have issues using the coupons, please contact us.

Exclusive Freedom Diesel Performance Discounts

Save $45 On Any Order Over $699 w/ Coupon Code SAVE45QUICK


All of our packages include multiple related items at a special package discount. Our packages are designed to make your life easier, usually including all the parts you need to achieve a specific modification.

Price Matching Beating!

We want to make sure you get the best deal possible on your parts. We do our best to ensure we have the best prices in the industy, however, if you find an item cheaper, let us know and we will happily match or beat the price.

Discounts For Shops & Dealers

If you are an installation shop or dealer, give us a call or email for details on our dealer program. We are able to discount most items for shops.

Phone: 855-432-4733 9 AM - 6 PM EST Monday - Friday
Email: [email protected]

We Strive For Extremely Quick Shipping.

Whether you need a part to fix a downed truck, a performance part to get the edge on your competitors on race day, or just something to improve the look or functionality of your vehicle; freedom diesel performance you covered!

We understand the only reason you are purchasing a part, is because you really need it or really want it. We do everything in our power to ensure you get the purchased item as soon as possible.

*** Orders placed before 2 PM Est - Usually ship the same day. ***

Estimated Delivery Times:

- Tuners / Programmers by themselves - 2 to 3 Business Days

- Performance / Race Packages - 2 to 5 Business Days

- General Diesel Performance Parts - 2 to 5 Business Days 

- Lighting, Accessories, Etc - 2 to 7 Business Days 

(Alaska / Hawaii Add 3 Business Days)

Easy Return / Exchange Process

If for some reason, you order the incorrect product, or do not need the product prior to using it, we will accept it back as a return for refund or exchange up to 30 days from delivery. Must be in new, un-used condition with original packaging.

Due to credit card processing fees, shipping, and wear and tear to the packaging often occuring during shipping, returns may be subject to a 20% restocking fee.

If you need to setup a return or exchange, please contact us for an RMA#

Warranty Process

If the product you receive is damaged or defective, please contact us immediately for assistance. In most cases, we can send you a return label and fix the problem very quickly.

Although many of the products that we offer, are not for sale or use in California, is it still important to realize the below warning.

Prop 65 Warning:Cancer & Reproductive Harm

Unless otherwise specified on the product page description, every product on this website contains chemicals, which is known to the State of California to cause cancer. For more information, go to

Race Use products are for Closed Course Competition Use Only. Competition Use product should never be installed on a vehicle registered for highway use.