SuperMaxx header package

tbyrne · January 29, 2004

The Dynatech SuperMaxx headers are built using only the best mild steel and stainless materials available. All of their flanges are CNC laser cut and guaranteed to .003". Laser cutting allows us to offer many variations in port size and shape to insure maximum performance. Dynatech is the only company in the industry to offer a satisfaction guarantee and a one year limited warranty.

SuperMaxx Features & Benefits

Heavy-wall aircraft quality stainless steel tubing throughout the system (1 3/4headers, 2 1/2x 3Y-pipe) for outstanding performance and durability.

Extra-thick (.375), laser-CNC-machined header flange for superior gasket sealing.

Factory-style O2 sensor bungs for direct fit and fully ODB-II compatible.

Hi-flow, stainless steel catalytic converters for increased horsepower and torque.

Slip-together union in the Y-pipe assembly allows for easy installation without welding.

Hi-flow merge-style Y-pipe for maximum exhaust flow.

Stainless steel Y-pipe flange retains the factory ball & socket connection.

Unique collector/converter connection utilizes a self-aligning, sintered metal, donut gasket for a long lasting leak-free connection.

Dynatechs new line of SuperMaxx stainless steel header exhaust systems incorporate the latest in racing exhaust technology for increased horsepower and torque.

You can either purchase the complete package or headers by themselves -

115-841300 1999-'04 4.8 / 5.3 GM Truck / SUV SuperMaxx Stainless header System $1279.99

115-841350 1999-'04 6.0 GM Truck / SUV SuperMaxx Stainless header System $1279.99

115-841310 1999-'04 4.8, 5.3 6.0 GM Truck / SUV headers only $969.99

We are offering free shipping for orders placed through February 15th. Orders can be placed online or by calling 1-877-4-TBYRNE.

Tom

hcvone · January 29, 2004

TB, how do these rate compared to The Other Guys Headers? Thanks

tbyrne · January 29, 2004

Both companys make a good product. The TOG headers are mid-lengths while these are long tubes. The SuperMaxx is the only truck package that is available with a highflow Y-pipe and cats so that makes it very complete.

o4yukonxl · February 3, 2004

Any chance that supermaxx will come out with a setup for the 8.1?

tbyrne · February 3, 2004

I might be able to get something produced if there is enough interest. I wouldn't mind using a set on one of my trucks.

Grover · February 3, 2004

What is the typical power increase for the 5.3L? Would these work with the Corsa cat back?

o4yukonxl · February 6, 2004

I might be able to get something produced if there is enough interest. I wouldn't mind using a set on one of my trucks.

I sent an email to Dynatech and asked them about the 8.1 suburban/yukon. They told me that they do not have any plans for this application. It seems a shame since we all know that big blocks love to breath. We get the same exhaust as the 6.0s with over 100 more cubes. Give me air!!!!

o4yukonxl · February 6, 2004

Also, I don't have the finances to spring for the B&B system but am considering the Magnaflow. How easy is it to install? Also, the web sites only show it for the 2003. Will it fit the 2004 also? Same part number?

tbyrne · February 6, 2004

The SuperMaxx package is usually good for about a 25hp increase.

Magnaflow hasn't given us an updaet yet but the 2003 systems will carry over to 2004. GM didn't make any changes to those vehicles.

SnakeEyeSS · February 6, 2004

If I ever get a 5.3 truck I'll be giving you a call. includee's cats with $25 increase.! that's sweet! We don't have emissions here in OK, but how does it fare on tests?