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Post  Green 72 on April 25th 2016, 8:08 pm

What size primary tube and stepped or not? What primary lenght and what collector size? Fenderwell exit for pulling truck.472 with Blue Thunder heads using adapters to chevy ports. 8000 plus RPMs. Looking at some weld up kits.

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Post  away on April 26th 2016, 9:21 am

2 1/8 4 to 1 collector let'er rip tator chip!
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Post  dfree383 on April 26th 2016, 10:08 am

8000+ would probably like a 2 1/4- 2 1/8 step or maybe even larger
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Post  Green 72 on May 2nd 2016, 4:36 pm

Thanks for the replies

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