how did it fit? is it holding up well? does it sound different? do you think it made a difference? you know, "inquiring minds..."

 

i have the full system . i love it . but ; it is loud. and yes it did make a significant difference. not so much at the bottom, GIAC took care of that , it was more after 3500 that it hits hard . it seems to compliment the cam timing really well .

 

thanks herbie. do you know if it's dimensionally the same as OEM?

 

im running the alta header with their cat and the the alta sportone... not v2.

excellent in the mid to top end. much louder when pushing it. but toting around town and staying under 4000 rpm its not too loud, however very difficult to keep under 4 since it's so fun to be up in the high rpm range... nice and speedy

 

add giac to it and you'll swear your right foot is weighted down .

 

it fit fine . will it work with the oem cat back? i would think so . but i'd do the alta sport tone first then the header . if this is your thought .

 

i've got a milltek, and an m7 USS. that's my concern, if it will clear the USS.

 

that i don't know sorry . i did the sport tone first then the header . so i can't help. but go to alta questions and answers and they'll tell you . they got their own thread running .

 

I just got a V2.0 header on my GP. Using the stock exhaust. WOW this thing sounds sweet. I havent really pushed it much but it feels like it does pull a bit more on the upper RPM.

 

I have the V2 header with Invidia cat back. It definitely is a bit louder cruising around, but not bad. Get on it and watch out. It certainly turns heads. Overall, very happy with my decision to use this header.

 

have any of you had any issues with the service engine light, or oxygen sensor readings, or cat inefficiencies? do you have to pass any emmissions tests where you live?

 

Nope not yet...My service advisor said this might happen but after talking to alta their V2.0 header does have a better cat than previous models..

 

that's good to hear. how about you shooler and herbie hind? any problems?

 

no lights for me.. no o2 sensors blowing out... all gravy