Reviewed by Mark G (SAN ANTONIO, TX) Reviewed for a 2008 Ford F-150 — Apr 15, 2013 9:50 PM

If you want some serious horsepower and torque and an extreme difference in performance and power out of your F-150 then get the Dynatech Supermaxx exhaust system...I did. I recommend this exhaust upgrade to anyone.

Reviewed by eric b (MOORE, OK) Reviewed for a 2008 Chevy Silverado — Apr 01, 2013 6:16 AM

Installation a breeze directions very helpful only took 3 hours to install plus a hour to clearance transmission Crossmember so it didnt hit ypipe so if you have 2wd be prepared maybe different on trucks with 4l80 trans

Reviewed by Robert E (CHAMBERSBURG, PA) Reviewed for a 2009 Pontiac G8 — Feb 20, 2013 11:45 PM

I wanted to have a low quiet rumble at a idle, however if I jump on it I want you to know I am not playing. I live in a apartment complex and work nights. I cant bother the neighbors but I wanted a better sound and performance. The Dynatech Super Maxx gave me just that. Two thumbs up.

Reviewed by chris f (Metairie, LA) Reviewed for a 2006 Dodge Ram — May 24, 2012 6:01 AM

I installed the Dynatech SuperMAXX headers at the same time as my Borla Cat back exhaust. There is a slight issue with marrying the two systems up, however, once the two were installed and i drove the vehicle it was well worth the headache. The hardest thing about the whole install was the removal of the old system...These Headers provide a great sound combined with a substantial power gain. You will definitely notice the change throughout the power range of the engine. I have already recommended these to several friends.

Reviewed by Britten B (Tomball, TX) Reviewed for a 2009 Pontiac G8 — Apr 11, 2012 11:07 AM

Installation was a breeze for the headers all the way back. The kit is super quality and went together without a hitch.

Reviewed by Patrick H (Newtown, CT) — Mar 17, 2012 7:58 AM

Great fit and finish ..be prepared for difficult installation given the small engine bay clearance. I had my repair shop put them on. Had to lift engine to get at manifold. Total hours for installation, header and cat back - 10 hours.

Reviewed by Robert Y (Mount Laurel, NJ) Reviewed for a 2010 Chevy Camaro — Jan 18, 2012 3:51 PM

Installed these long tube headers/cats w/ the help of a few buddies in about 4 hours. Only simple tools needed and a few jack stands. Instructions were very clear and easy. Man what a difference these make on my Camaro SS. From the second I started the car, it roared like a true muscle car should. Yes, these will make your car louder both inside and out. Keep in mind I also have a CAI but car is stock otherwise, including mufflers. You feel the added torque and hp instantly. It makes the car fun to drive. Throttle response increased drastically. After a few weeks of driving, I did notice the exhaust sounded a bit too raspy and crackly at times. So I cut off my h-pipe and had shop weld on a $30 x-pipe. That open the air flow up significantly and all the crackling sounds from the exhaust went away. Not to mentioned my torque/hp increased. I'd recommend installing long tubes along w/ an x-pipe upgrade for max performance. Stock mufflers are okay on the Camaro SS. Lastly, the stainless steal headers look awesome under the hood...so clean and crisp.

Reviewed by Heather C (Aurora, IL) — Oct 27, 2011 11:25 AM

LOVE IT! sounds great on my camaro, and added rwhp!

Reviewed by Mike H (Searcy, AR) Reviewed for a 2007 Cadillac Escalade — Oct 03, 2011 12:33 PM

Received headers and exhaust components promptly after ordering from helpful representative. I was very impressed upon inspection of the hardware....super quality and appearance. Installed in one day with no real complications. Sound and performance are exactly what I wanted. Drove 1,300 miles on a trip and determined gas mileage was not improved as I expected it to be. Am told engine may need to be reprogrammed. Definite "thumbs up".

Reviewed by Rexton G (Seven Fields, PA) Reviewed for a 2007 Chevy C/K 1500 — Jun 02, 2011 6:30 AM

I'm really happy with my purchase. These are advertised as easy to install, that may be true but if you have more than 30,000 miles on your truck...... Good luck gettin the old one off without taking it to a shop with the proper heat torches and other equipment to keep from breaking off bolts. Overall though, I can tell an increase in sound, performance, and fuel economy (I keep it under 60 though).