Alright, so I found a catback on ebay, and the selling store claims that it can give a gain of 17-30 horsepower. Now, most catbacks I see only claim up to 15 hp, so I'm wondering if this is a hoax, or what. Is such a gain possible out of an exhaust? As a bit of extra detail about this particular exhaust, it's 2.25" tubing, 4.5" tip, looks straight-piped. Y'know, just in case that has any sway on the results.
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Stock is 2.25" so about the only thing it is going to change is the sound and look of the exhaust. It will NOT give a gain of 17-30 hp. You would be lucky to see that kind of gain if your car was turbocharged. Realistically if you bought an upgraded exhaust you might see a gain of more like 5 hp.
Stock is 2.25" so about the only thing it is going to change is the sound and look of the exhaust. It will NOT give a gain of 17-30 hp. You would be lucky to see that kind of gain if your car was turbocharged. Realistically if you bought an upgraded exhaust you might see a gain of more like 5 hp.
Quote:
Originally Posted by 2004SE
Alright, so I found a catback on ebay, and the selling store claims that it can give a gain of 17-30 horsepower. Now, most catbacks I see only claim up to 15 hp, so I'm wondering if this is a hoax, or what. Is such a gain possible out of an exhaust? As a bit of extra detail about this particular exhaust, it's 2.25" tubing, 4.5" tip, looks straight-piped. Y'know, just in case that has any sway on the results.
2.25" tubing over 2.25" stock? you will have a 0whp gain just a louder exhaust and most likely loud and not deep sounding and probably illegal
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2005 Dodge neon CE
Mods - 5% window tint 35% up front. 1000w RF amp + 2 - 10" Alpine type E
To do - Install after market Trans cooler, upgrade main power wires.
2.25" tubing over 2.25" stock? you will have a 0whp gain just a louder exhaust and most likely loud and not deep sounding and probably illegal
I was saying he might see 5hp if he UPGRADED his exhaust as in 2.5in exhaust or free flowing cat, etc. If it is the exact same as stock then yes, you would be correct with the no gain statement.
False claim on a catback auction?
