Best exhaust? - Subaru WRX Forum
 
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post #1 of 6 Old 06-10-2007, 04:02 PM Thread Starter
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Best exhaust?

This question is probably asked all the time but what exhaust, in your opinion, is the best out there in the market today? I'm not big on sound but mainly concerned with performance and price. I have an 07 WRX that is bone stock and I would like to mod it ASAP. If you could give me your input, it would be greatly appreciated. thanks!
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post #2 of 6 Old 06-10-2007, 11:41 PM
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with a stock turbo, no cat-back makes any additional power.

04 STi 16G powered lagless fun
04 WRX: SOLD
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post #3 of 6 Old 06-11-2007, 09:19 PM
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Quote:
Originally Posted by mosc View Post
with a stock turbo, no cat-back makes any additional power.
Not entirely true....with the BPM Cat Back and Catless we saw 10-15 whp gain on several of our cars...additionally with the BPM Cross Over pipe we our TD04's spooled ~300rpm's earlier.

"Life's a bowl of punch so go ahead and Spike it!" -311
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post #4 of 6 Old 06-11-2007, 09:48 PM
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Quote:
Originally Posted by mosc View Post
with a stock turbo, no cat-back makes any additional power.
your high...
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post #5 of 6 Old 06-12-2007, 12:19 AM
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I felt absolutely NO difference in my car when I installed the CBE.
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post #6 of 6 Old 06-12-2007, 11:58 AM
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Quote:
Originally Posted by nick4592 View Post
Not entirely true....with the BPM Cat Back and Catless we saw 10-15 whp gain on several of our cars...additionally with the BPM Cross Over pipe we our TD04's spooled ~300rpm's earlier.
does that mean? "BPM cat back AND catless"? A cat-back doesn't have any cats to replace! Catless means you're changing the downpipe which is the actual source of the gain, not the cat-back itself. I didn't comment on crossover pipes, that's completely unrelated as well.

Stock car with a stock cat back vs a stock car without ANY cat back dyno about the same. No cat back will help you much with a stock turbo

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