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Old 05-04-2016, 01:16 PM   #1
2010 2SS/RS M6
Dexman1349's Avatar
Drives: 2010 2SS/RS M6
Join Date: Jun 2010
Location: Castle Rock, CO
Posts: 1,484
Decibel level of Kooks exhaust

Anyone know if Kooks tested the decibel outputs of their exhaust systems?

I have a 1 7/8" long tube headers, high flow cats, and the "sleeper" cat-back exhaust installed on my 2010 SS. I'm looking to export it to NZ, but they have a 90dB noise limit for street use. I downloaded a decibel meter app on my phone and recorded about 80 dB at idle, but i know the tests are a bit more extensive.

Just curious to see if there is already tested data out there.
2/7/2014: 419 hp, 419 tq

Cosmetic: ZL1 front w/mailslot, painted stripes, powdercoated SS rims, tow hook, and full chrome delete

Suspension: Pfadt subframe bushings, Pfadt rear UCA bushings, Z28 Upper control arms, Spohn trailing arms with BMR trailing arm & differential bushings, ZL1 Toe Rods and springs, Prothane radius arm inserts & steering rack bushing, Pfadt Sport front sway, FE4 conversion w/ DS rear sway, Pfadt strut brace

Drivetrain: RMCR tune, CAI intake, Kooks headers, hi-flo cats & exhaust, VMAX TB, ZL1 fuel pump, LSR Tri-Ax shifter

Bumblebee Racecar Build
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Old 05-04-2016, 04:17 PM   #2

bionick's Avatar
Drives: 2010 2SS/RS M6
Join Date: Oct 2013
Location: Gilbert, AZ
Posts: 923
Might want to ask kooks themselves. I'm sure they have all the specs and info
2010 2SS/RS
Tuned by Phil @Tampa Tuning, Pat G Custom cam, carbon fiber copo hood, Powerbond UDP, 1LE 3.91 differential, Stainless Works/Stainless Power 1 7/8 Catless long tubes, Stainless works Retro Chambered 3" catback, QTP, Roto-fab CAI, VMAX CNC ported TB, MGW flat stick shifter, SRP anodized race pedals, Drake quarter panel covers, elite catch can, 1LE PCV seperator, foose 20" wheels, hotchkis strut tower brace, oracle red halo's, under dash lights, sunroof, interior accent package, metra stereo dash kit with kenwood double din.
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