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04-18-2023, 07:39 PM
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#1 |
 
Drives: 2020 6.2 sierra 2022 zl1 camaro Join Date: Aug 2009
Location: Chicago
Posts: 199
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Headers only...
Question
Has anyone added headers and left everything else stock. (resonators/ cats/ npp) does it make a difference on the Exhaust note? As in louder? Just a very curious question.. any videos with sound appreciated, thanks
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04-18-2023, 07:45 PM
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#2 | |
          
Drives: '20 ZLE Join Date: Jun 2020
Location: Mile High
Posts: 4,147
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Quote:
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2020 ZL1LE A10.
LME LT4 390 short block, CID Heads, Kong E2650, FBO. 15" conversion, Nitto 555Rii or MT ET Street R or Toyo Proxes RR. 100 octane: 1045hp/1055tq. 100 octane + Alky MAF Meth (1) 10+: |
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04-18-2023, 08:06 PM
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#3 |
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fo'shizZL1
Drives: 2017 ZL1 Join Date: Aug 2017
Location: ATL
Posts: 1,803
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You mean shorty headers? I only ask since you say stock cats.
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp // CSP LT's & Ultra Cats // BMR MM // BC Forged KL13
Mods being installed- oil pump, cam, ported heads, dual in-tank, Goliath and XDI, corn, etc., etc. |
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04-18-2023, 09:18 PM
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#4 |
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Shadow Gray '19 ZLE M6
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Long tube headers through stock NPP sound great.
As Rob alluded to, if you want to run cats, you'll need aftermarket. You'll also want a tune.
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2019 ZL1 1LE | M6 | SGM | PDR | CF Dash | Nav | Wheel Locks
PPF | Paint Correction | ZL1 Addons Rock Guards | ZL1 Addons Lift Pads | ZL1 Addons Feather Lite Tow Hook | JWM Smoked Sidemarkers | Wildhammer Smoked Rear Reflectors | JWM License Plate LEDs | RotoFab CAI | ADM IC Reservoir v2 | BC Forged RZ05 | SPL Toe Arms | BW Brake Deflectors | CMS Roll Bar | Schroth Profi II ASM Harnesses . Sold: '99 Trans Am (bolt-ons & cam) | '00 WS6 (bolt-ons, heads, cam, 12 bolt) | '05 CTS-V (bolt-ons, short throw) | '10 SS/RS M6 (short throw, CAI, coilovers, LTs, catback, JRE tune) | '01 WS6 YouTube |
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