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iHav to Drive
Trucks and SUV
truck specs need answers?
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<blockquote data-quote="CourtneyC" data-source="post: 2114981" data-attributes="member: 254645"><p>i have a 09 gmc sierra that has a 5.3L v8 engine pushing 315bhp. i have installed true duel exhaust with 2.5 inch pipes. i have not changed the headers and there is a catalytic converter on each pipe. my question is what would be the horsepower and torque increase from adding the exhaust system?</p><p>fyi. i have no mufflers it is straight pipe</p></blockquote><p></p>
[QUOTE="CourtneyC, post: 2114981, member: 254645"] i have a 09 gmc sierra that has a 5.3L v8 engine pushing 315bhp. i have installed true duel exhaust with 2.5 inch pipes. i have not changed the headers and there is a catalytic converter on each pipe. my question is what would be the horsepower and torque increase from adding the exhaust system? fyi. i have no mufflers it is straight pipe [/QUOTE]
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