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Description
GMC/Chevy, 1999-2006, 6.0L, Weld/On - Truck Cat-Back Dual Exhaust KitsThis MPI Exhaust Tech. Cat back for 1999 2006 Chevy 2500, 3500 Gives you the choice of Sound option to fit your style without that drone! While still achieving those huge MPI Performance Numbers, this Weld on emissions legal system features all mandrel bent components, built right here in Montana. This kit fits all wheelbases (2500 and 3500) and includes all parts necessary for the home installer. Dyno Results: Dyno gains 20 hp and 16 lb ft at the
This MPI Exhaust Tech. Cat-back for 1999-2006 Chevy 2500, 3500 Gives you the choice of Sound option to fit your style without that drone! While still achieving those huge MPI Performance Numbers, this Weld-on emissions-legal system features all mandrel-bent components, built right here in Montana. This kit fits all wheelbases (2500 and 3500) and includes all parts necessary for the home installer.
Dyno Results: Dyno gains 20 hp and 16 lb-ft at the rear wheels over stock @ 5,000 RPM. Most Vehicles gain 2-4 MPG. These numbers are with zero tuning, vs. the stock truck.
Muffler Options :
MPI Turbo series mufflers are going to have a nice mellow sound ( VIDEO )
MPI Performance series mufflers are going to be more aggressive-sounding (VIDEO)
Use MPI Turbos Series on Trucks that Pull Big Trailers to keep Nice & Mellow.
Quality: MPI Exhaust Kits use the highest quality 14 Ga. Tubing: this extra-thick tubing is proven to last in harsh environments, including road salt and rough gravel roads. Perfectly protected with the best anti-rust coating mankind can make. Backed with our 3-Year Warranty, we stand behind what we build!
Note: All our kits are produced for the truck's most extended wheelbase. You may need to trim your kit, and the complete instructions provide all the necessary measurements to make it a perfect fit. Weld-together systems, when properly installed, are proven to last!
- Patented Exhaust Pulse Chamber - Pat. 11713700
- Includes all necessary hardware for an at-home installation
- Uses factory hanger locations for easy installation
- No In-Cab Droning, Guaranteed
- 2-4 MPG Improvement
- Direct Fitment - Weld Together
- Easy Installation
- Clears the Factory Spare Tire
Make: Chevy & GMC
Year: 1999 - 2006
Chassis: 2500, 3500
Engine: 6.0L Gas
Product Instructions - G051 & G052
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Great for RV and boat
This stuff is amazing! My husband uses this on the boat and RV. Our RV is orange and was heavy oxidized. This brought the color back!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025
★★★★★ 5
Easy to use..great results!
This product actually delivers on its promises! It took of years worth of road film and grime from our motorhome..leaving a clean base for the application of Poli Glow polish... Our motorhome is now looking shiney and new again. Very easy to use..just mop it on..let set for a few minutes then pressure wash off.
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Reviewed in the United States on November 4, 2025
★★★★★ 5
Great product
Amazing product
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Reviewed in the United States on June 9, 2026
★★★★★ 1
The product downer live up to the advertised claim
Washed a side by side section of my 2022 rv with poli prep and simple green. The comparison was tragic. Simple green definitely is a superior product. Don't waste your money.
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Reviewed in the United States on August 19, 2025
★★★★★ 5
Great cleaner for tough stains on fiberglass
This cleaner was recommended by a fellow boater. I was having difficulty cleaning some black streaks on the hull, and dark stains on the water line. After trying several excellent cleansers that have never failed me, I decided to give this one a try. It cleaned up the stains when used as directed and did not damage the finish on the gelcoat.
A good cleaner to have in your arsenal!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2025
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