LS2FAST

Who here has the JBA Shorty Headers installed with the factory cats, resonator and mufflers still in place?

Questions:

1.) Was there a noticeable difference when driving?
2.) What was the increase in performance on the Dyno?
3.) Can someone post a sound clip?

Thanks!

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GMM Ripshifter w/MOMO knob, LPE CAI, 160 T-Stat, Hotchkis Sway Bars, SAP Grilles.

 

Route 66

Minimal gains..........waste of money IMHO.

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'06 Torrid Red M6 (Redrum)
Comp 228/232
SW LT's
C.A.I. Air Box
GMM Ripper
JHP Pod
SLP Pulley
Pedders stuff
HPS tuned

6QTS11OZ

To be honest I'm not sure how much power I gained if any from them because I had the car dyno tuned with all the mods on at the same time. But whatever you don't gain in power with them, you will definitely give up quite a bit of weight compared to the stock headers. And the sound is very nice with the MagnaFlow catback w/ x-pipe.

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~I'm ya huckleberry~
516/500 2-da-rears.
http://media.putfile.com/GTO-Maggie-dyno-run

1BadGoat

I have them on my car I love them. I don't know power numbers, I do know she was almost 3ths quicker at the track though. The sound is much deeper,I have them with stock down pipes and a Loudmouth.I will try to get a sound clip on here for you. I just need to know how.

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K&N CAI, SLP Loudmouth/Skid Plate/Strut Bar/Bushings, JBA Headers/Wires, Powerslot, GM Perf Ceramic Pads, Royal P., 18" Mille Miglia, CF Radiator Cover/Badges, Painted Fuel Rail Covers, Billet Alum Oil Filler Cap.

LYNMUP

Headers will allow your engine to reach readline much quicker.

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2005 Quicksilver GTO M12

Best Mod ever...
2 baby seats!