Get a tune, and I would dump the throttle body spacer. I also had a Vararam on mine. and it felt like the car just would not respond to normal throttle changes at Hiway speeds.
Im anxious to get my goat dynoed, to see what results she is puttin' out. Since the mods I listed below, including the Poweraid Throttle body spacer, the a@# Dyno can really notice a difference and the sound is awesome!!! Just my opinion. Opinions are like you know what and everyone has them.
Im anxious to get my goat dynoed, to see what results she is puttin' out. Since the mods I listed below, including the Poweraid Throttle body spacer, the a@# Dyno can really notice a difference and the sound is awesome!!! Just my opinion. Opinions are like you know what and everyone has them.
The tune will help you a lot. As far as the throttle body spacer, I know of a few people who had or have them them . No noted gains from a dyno. I can't say about mine because I had a few items done at the same time. I removed it
Thanks to all for your input. I do love the sound, and i think someone mentioned that it might just be that the power is hitting the wheels a lot smoother now. I can say that the car does not have that whiplash feel to it anymore. It may just be like you said, it doesn't preload anymore and just flows to the wheels a lot better.
But I do need a really good tune. I've never had her tuned and I am anxious to get it done. Now to find a good shop around my neighborhood. As a matter of fact, I tried looking into it about 1 year ago, and I remember finding a shop that specializes in Vette's, they were happy to tune my goat, but they wanted $600 for it.
If I can find someone for half that price I'll go right away. Does $600 justify 10-15 HP? Maybe.
Out of the 30 plus cars I have owned I played with the exhaust on many of them. I tried them on everything from my 1991 Mustang GT, 2002 Camaro SS to my own 2006 GTO.
The crossflow Flowmaster just plain suck but what do you expect from a opposite side outlet Flowmaster.
As for my Mustang I used the stock H-Pipe and added only mufflers to the stock cat-back. I could tell a major difference in the higher rpms Flows vs Borlas. Given there is virtually no gain with any cat-back on a Mustang you could still feel the difference under heavy load and top end, if you can say a 99-04 GT had top end!
On my GTO I made a set of rear replacements for a buddy with a 04 with upgraded 05 bumper and exhaust. I used my car to set up the welds and tip placement. After I waas finished I figured I would see how they sounded. Versus the stock mufflers they sounded good but I could easily tell I lost some high end response if not some power too. The power and response came back the instant I bolted the stock mufflers back on.
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