What is the usual rear wheel gain with Longtubes and off road Y?
Does 20 sound about right? i've also heard of people getting upwards of 30-40.

 

20 -30,depending on other mods and such.

 

Depends

 

with my mods minus the ORY and long tubes and NGK TR55's I was running 98-101mph consistantly, afterwards I started seeing speeds of 103-106mph, its really depending on the weather. Either way you should see increases of about 3mph or so, so whatever thats worth. (these are numbers based on 1/4 mile times)

 

Stock my car made 260 rwhp, with longtubes and CAI it did 300 rwhp. No other mods. I'd say the headers picked up the majority of it, so 30 - 40 sounds right. 40 lb. ft of torque as well, 295 stock to 336 w LTs.

 

wow, thanks for the fast replies guys i'm really looking foward to getting the headers . They're being installed for a whopping 250.00

 

I made 8rwhp with Longtubes and an adjustable fuel pressure regulator. (I previously had my factory cat also). Fuggin beater car

 

If I read that correctly, you only gained 8rwhp with just the longtubes with the factory cat?

 

I gained ~12hp w/long tubes. Totally stock i was @250hp.

 

I dynoed 255/289 stock with only a muffler and K&N filter.

With noting but longtubes added I did 282/317.

That's 27hp and 28 ft-lbs.

 

Very impressive! I'm going to be getting my LTs on shortly and will dyno, I'm hopein for something in the 20rwhp range.

Dan

 

Is 250 for the install pretty reasonable? Im thinking about getting a set myself and was wondering what the install would run, I dont think it's something I can handle, sounds especially difficult without a lift.

 

I think 250 is a very reasonable price. I think it's too good to be true. I won't believe it until I have the LT's on my car.

 

Just curious, What would cause one basically stock car to gain 12rwhp, and one to gain 27rwhp?