So I recently discovered that I have a hole smack dab in the middle of my stock catalytic converter. After searching the forums for options, I've came up with several options:
-OE replacement catalytic converter (full piping from manifold to cat ex: DEC brand)
-high flow cat
-OE non-high flow replacement (cat only ex: Magnaflow #36008)
-straight pipes
The full OE replacement cats are expensive, and I've only read bad things about the non-highflow cat-only replacements.
My only issue with the high flow cats is that all of the ones I find are single-in/single-out or dual-in/single out. I noticed that everyone likes to run Magnaflow brand ones. I'm not too fond of those designs, since the m20 system is a dual pipe system.
So my question is, how well would straight pipes into a Stromung exhaust work? Will the loss of back pressure affect the car's power significantly?
I understand the legal complications. Luckily, NJ stopped emissions testing on 1995 vehicles and older. I understand that I can still receive a fine regardless of this.
Info on my car if it helps: 1988 Super ETA 2.7i conversion. 325i intake manifold, M30 AFM, KA Motors CAI, 19lb injectors, stock 2.5i cam, SSSquid Tuning Stage 1 "2.7i w/ M30 AFM" chip, Stromung Exhaust
Thanks in advance
-OE replacement catalytic converter (full piping from manifold to cat ex: DEC brand)
-high flow cat
-OE non-high flow replacement (cat only ex: Magnaflow #36008)
-straight pipes
The full OE replacement cats are expensive, and I've only read bad things about the non-highflow cat-only replacements.
My only issue with the high flow cats is that all of the ones I find are single-in/single-out or dual-in/single out. I noticed that everyone likes to run Magnaflow brand ones. I'm not too fond of those designs, since the m20 system is a dual pipe system.
So my question is, how well would straight pipes into a Stromung exhaust work? Will the loss of back pressure affect the car's power significantly?
I understand the legal complications. Luckily, NJ stopped emissions testing on 1995 vehicles and older. I understand that I can still receive a fine regardless of this.
Info on my car if it helps: 1988 Super ETA 2.7i conversion. 325i intake manifold, M30 AFM, KA Motors CAI, 19lb injectors, stock 2.5i cam, SSSquid Tuning Stage 1 "2.7i w/ M30 AFM" chip, Stromung Exhaust
Thanks in advance
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