BBK 80mm Throttle body or SLP Y-Pipe

**tx77015ls1** · 05-12-2006, 10:28 AM

I have enought money to get a BBk 80mm throttle body or a SLP Y-Pipe.

Which is better in terms of horsepower and bang for the buck.

Thanks, jason

**shady1504** · 05-12-2006, 10:34 AM

Get the throttle body cuz you don't need the y-pipe unless you're getting longtube headers as well.

**tx77015ls1** · 05-12-2006, 10:48 AM

I was thinking of getting the y-pipe cux I think the way the pipe on the driver side crushes down to about 1" realy hurts the HP.

But I know how much the LS1's l;ike more air so it looks like the TB will be in my future

thanks

**oneBADDz** · 05-12-2006, 10:53 AM

Get the y-pipe and port your existing throttle body

**rotwiler** · 05-12-2006, 08:01 PM

I'd skip both. The Y is flat and wider, so flow isn't going to be much and not worth the $, plus if you ever do headers the Y is garbage. Port your own TB and use the $ for other mods. I honestly think the Y is one of the first mods people do and later when people ask, what money did you waste when you first started modding your car.

**nhraformula** · 05-12-2006, 08:15 PM

both are a fuckin waste, save youre money

**MysticZ28** · 05-13-2006, 11:54 AM

Originally Posted by tx77015ls1

I was thinking of getting the y-pipe cux I think the way the pipe on the driver side crushes down to about 1" realy hurts the HP.

But I know how much the LS1's l;ike more air so it looks like the TB will be in my future

thanks

To iterate nhraformula ... the cross sectional flow area of the crush pipe is the same as the rest of the stock y-pipe and has no impact on hp.

As far as the TB ... you have a 75mm MAF and a 75mm intake, sticking a 80mm TB in the middle isn't going to get you anything other than tuning problems.