high flow y-pipe
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Joined: Oct 2001
Posts: 473
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From: Grinnell, Iowa
high flow y-pipe
I've seen these from a couple of places for 4th gens. Borla makes one that's stainless steel, mandrel bent, around $125. Supposed to add 8-12hp. For people that don't want to install headers. Do they make anything like this for 3rd gens?
Supreme Member
Joined: Jan 2001
Posts: 7,164
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From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
They're not going to do much good at all with stock manifolds. They may give 8-12 on a 300HP 4th Gen, but not on our 190HP cars.
Senior Member
Joined: Sep 2001
Posts: 643
Likes: 2
From: California
Car: 91 Camaro RS Update: Sold Camaro, now own a "91" Corvette.
Engine: Corvette L98 TPI
Transmission: 700R4
I have the mandrel bent stainless steel Y-Pipe from SLP installed on the stock exhaust manifolds. It sure feels like the car pulls stronger and it sounds like I have headers. Here's a picture of it installed on my car. It's part # 31031 for a 91 RS Camaro.
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UltRoadWarrior9
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Apr 28, 2020 10:39 PM
