I just got a obx 4-1 header, recieved it today, I think i am going to install it 2moro. How many bolts did you receive with the header. I only got 2, for connecting the downpipe and header (i think) Am I supposed to use the original ones for the rest, or did the person not ship them.
#68969, "RE: OBX header question" In response to Reply # 6
for those of you that installed these... do they actually make a difference? ive been in tons of discusions about this and a lot of people dont think they do anything for horsepower. since it was half and half, i decided to say screw it and saved up for a body kit. but ever since then i keep thinkin to myself that those guys were full of it, so i was just wondering what you thought about the obx header. thanks guys
1998 GS Mods: Cold air intake, Ported/polished stock intake manifold, AFX 55mm TB, Pacesetter header, Custom Magnaflow cat-back exhaust system, AFX Underdrive pulley, B&M short throw shifter(cut/welded), Symborski Shift Kit, Solid front motor mount, Monster ground wire kit.
#68970, "RE: OBX header question" In response to Reply # 7
Originally posted by ajcfalcon for those of you that installed these... do they actually make a difference? ive been in tons of discusions about this and a lot of people dont think they do anything for horsepower. since it was half and half, i decided to say screw it and saved up for a body kit. but ever since then i keep thinkin to myself that those guys were full of it, so i was just wondering what you thought about the obx header. thanks guys
I will let you know... when i get mine installed.
I just took off all the 8 bolts (they were super rusted) on the exhaust manifold, and I am about to go and go disconnet the DP from the exhaust manifold. I used TONS OF WD40 and pbblaster.
#68974, "RE: OBX header question" In response to Reply # 8
i can't really tell you for sure because my original flex pipe was broken. afterwards, i did feel that throttle response was better but again, my original flex pipe was broken so i can't say for sure. it does weigh less and it looks a whole lot better than the original.
#68978, "RE: OBX header question" In response to Reply # 10
I noticed a difference. Not so much a horsepower gain, but it smoothed out the power band and moved it up in the RPMs a bit. I'll be selling mine in about a month or so pretty cheap because I am in the process of going turbo.
Lets just say this... I'm over 100whp and soon to cross 200whp. Thanx 2GNT! Now if I could only learn to prove it.
#69045, "RE: OBX header question" In response to Reply # 14
Anyone have any ideas ????
I was thinking that I would have someone cut the exhaust and then weld on a flange onto the end of the exhaust. So then i can connect the new flange and the flex pipe flange. Would that work.
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