LT's+ stock exhaust
09-18-2010, 11:12 AM
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LT's+ stock exhaust 00 Z28 if I run LT's with off road Y and the factory catback how much power loss vs a performance aftermarket catback with LT's?
09-18-2010, 11:29 AM
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~5-10 h.p. It is going to sound like **** be prepared for that! I ran SLP longtubes with the stock Z/28 catback a couple of years ago. Certainly didn't sound like a muscle car it was way to high pitched. My friends laughed and called it the Ferrari. At least spend $30 and buy a manual cutout.
09-18-2010, 02:58 PM
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Yeah, it sounds pretty flat with the stock muffler. I would ditch that for something better, even if you don't do a full catback.
As for power loss, that all depends on your other mods. A heads/cam engine will lose a lot more power through a stock muffler than a factory engine will.
As for power loss, that all depends on your other mods. A heads/cam engine will lose a lot more power through a stock muffler than a factory engine will.
09-20-2010, 01:26 AM
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~5-10 h.p. It is going to sound like **** be prepared for that! I ran SLP longtubes with the stock Z/28 catback a couple of years ago. Certainly didn't sound like a muscle car it was way to high pitched. My friends laughed and called it the Ferrari. At least spend $30 and buy a manual cutout.
... because then I would be driving a Ferrari.
